{"id":10548,"date":"2026-03-30T14:35:01","date_gmt":"2026-03-30T07:35:01","guid":{"rendered":"https:\/\/smartglassquality.com\/2026\/03\/30\/powder-coating-aluminum-colors-2026-a-guide-to-choosing-the-right-grade-checking-quality-and-repairing-on-site-scratches\/"},"modified":"2026-03-31T13:15:21","modified_gmt":"2026-03-31T06:15:21","slug":"powder-coating-aluminum-colors-2026-a-guide-to-choosing-the-right-grade-checking-quality-and-repairing-on-site-scratches","status":"publish","type":"post","link":"https:\/\/smartglassquality.com\/en\/2026\/03\/30\/powder-coating-aluminum-colors-2026-a-guide-to-choosing-the-right-grade-checking-quality-and-repairing-on-site-scratches\/","title":{"rendered":"Powder Coating Aluminum Colors 2026: A Guide to Choosing the Right Grade, Checking Quality, and Repairing On-Site Scratches"},"content":{"rendered":"\n<div class=\"row\"  id=\"row-947887131\">\n\n\n\t<div id=\"col-1398237301\" class=\"col medium-12 small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p><span style=\"font-family: 'courier new', courier; color: #282828;\">News&amp;Knowledge from SgQ<\/span><\/p>\n<h1 class=\"post-title is-large \"><span style=\"font-size: 45px;\"><span style=\"color: #23345c;\">Powder Coating Aluminum Colors 2026: A Guide to Choosing the Right Grade, <span style=\"color: #6c8ec4;\">Checking Quality, and Repairing On-Site Scratches<\/span><\/span><\/span><\/h1>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-1754099345\">\n\n\n\t<div id=\"col-1368111178\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p><span style=\"font-size: 110%; color: #282828;\">Powder coating aluminum colors is an electrostatic powder spraying process, followed by curing at 180\u2013200\u00b0C to create a strong and durable color film. For exterior applications, Super Durable grade should be selected. The standard dry film thickness (DFT) should be 60\u2013100 microns. A key advantage over anodizing is that scratches can be repaired on-site using a touch-up paint pen or repair spray.<\/span><\/p>\n<p><span style=\"font-size: 80%; color: #36578a;\">\u270d\ufe0f Written by: SGQ Team (SmartGlassQuality Khlong Sam)<\/span><br \/><span style=\"font-size: 80%; color: #36578a;\">\ud83d\udcc5 Last updated: March 30, 2026<\/span><\/p>\n\n\n<div id=\"sgq-toc\" style=\"border:1px solid #36578a;border-radius:10px;background:#fff;margin:24px 0\">\n  <button onclick=\"  var b=document.getElementById('sgq-toc-body'); var i=document.getElementById('sgq-toc-icon'); if(b.style.display==='none'){b.style.display='block';i.textContent='\u2212';} else{b.style.display='none';i.textContent='+';}\" style=\"width:100%;display:flex;justify-content:space-between;align-items:center;padding:14px 18px;font-size:16px;font-weight:700;color:#36578a;background:transparent;border:none;cursor:pointer;font-family:'Noto Sans Thai','Helvetica Neue',sans-serif\">\n Table of Contents \n<span id=\"sgq-toc-icon\" style=\"width:24px;height:24px;border:1px solid #36578a;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0\">\u2212<\/span>\n  <\/button>\n  <div id=\"sgq-toc-body\" style=\"padding:0 18px 16px\">\n    <ol style=\"padding-left:20px;font-size:15px;line-height:2;color:#36578a;margin:0\">\n      <li><a href=\"#powder-coating-%E0%B8%84%E0%B8%B7%E0%B8%AD%E0%B8%AD%E0%B8%B0%E0%B9%84%E0%B8%A3\" style=\"color:#36578a;text-decoration:none\">What Is Powder Coating?<\/a><\/li>\n      <li><a href=\"#%E0%B9%80%E0%B8%81%E0%B8%A3%E0%B8%94%E0%B8%AA%E0%B8%B5\" style=\"color:#36578a;text-decoration:none\">How Many Types of Powder Coating Grades Are There?<\/a><\/li>\n      <li><a href=\"#%E0%B8%95%E0%B8%B2%E0%B8%A3%E0%B8%B2%E0%B8%87%E0%B9%80%E0%B8%9B%E0%B8%A3%E0%B8%B5%E0%B8%A2%E0%B8%9A%E0%B9%80%E0%B8%97%E0%B8%B5%E0%B8%A2%E0%B8%9A\" style=\"color:#36578a;text-decoration:none\">Comparison Table of 3 Grades<\/a><\/li>\n      <li><a href=\"#qc-checklist\" style=\"color:#36578a;text-decoration:none\">5 Quality Inspection Points (QC Checklist)<\/a><\/li>\n      <li><a href=\"#%E0%B8%8B%E0%B9%88%E0%B8%AD%E0%B8%A1%E0%B8%A3%E0%B8%AD%E0%B8%A2\" style=\"color:#36578a;text-decoration:none\">Techniques for Repairing Scratches On-Site<\/a><\/li>\n      <li><a href=\"#%E0%B8%81%E0%B8%A3%E0%B8%93%E0%B8%B5%E0%B8%A8%E0%B8%B6%E0%B8%81%E0%B8%A9%E0%B8%B2\" style=\"color:#36578a;text-decoration:none\">Case Studies \u2014 Common Problems<\/a><\/li>\n      <li><a href=\"#tldr\" style=\"color:#36578a;text-decoration:none\">Summary of Key Points<\/a><\/li>\n      <li><a href=\"#faq\" style=\"color:#36578a;text-decoration:none\">Frequently Asked Questions (FAQ)<\/a><\/li>\n    <\/ol>\n  <\/div>\n<\/div>\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_725855049\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/03\/Powder-Coating-Aluminum-Colors-An-In-Depth-Look-at-Industrial-Grades-SGQ-Khlong-Sam.webp\" class=\"attachment-original size-original\" alt=\"\" srcset=\"https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/03\/Powder-Coating-Aluminum-Colors-An-In-Depth-Look-at-Industrial-Grades-SGQ-Khlong-Sam.webp 1200w, https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/03\/Powder-Coating-Aluminum-Colors-An-In-Depth-Look-at-Industrial-Grades-SGQ-Khlong-Sam-600x400.webp 600w, https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/03\/Powder-Coating-Aluminum-Colors-An-In-Depth-Look-at-Industrial-Grades-SGQ-Khlong-Sam-768x512.webp 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_725855049 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n<div class=\"row\"  id=\"row-1857082149\">\n\n\n\t<div id=\"col-489847771\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"gap-1674998639\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1674998639 {\n  padding-top: 50px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<p><span style=\"color: #282828; font-size: 110%;\">If you are planning to purchase aluminum doors and windows, or you are a contractor who needs to choose the right powder coating color for aluminum for each type of project, this article is written especially for you. In the market, there are many grades of aluminum coating available, ranging from cost-effective Standard Polyester to Super Durable and Hyper Durable grades that can resist UV radiation for more than 10\u201320 years. Choosing the wrong grade is the starting point of problems such as \u201ccolor fading\u201d and \u201cpaint peeling,\u201d which the SGQ Khlong Sam team most frequently encounters in on-site repair jobs. This article will take you deep into the basic science behind the coating process, the differences between each grade, how to inspect coating quality yourself before accepting the job, and on-site scratch repair techniques that anodized finishes cannot offer.<\/span><\/p>\n\n\n<span id=\"powder-coating-\u0e04\u0e37\u0e2d\u0e2d\u0e30\u0e44\u0e23\"\/>\n\n\t<div id=\"gap-216140516\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-216140516 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<h2 data-pm-slice=\"1 1 &#091;&#093;\"><span style=\"font-size: 115%;\">What Is Powder Coating? The Science Behind Its Durability <\/span><\/h2>\n<p><span style=\"font-size: 110%;\">Powder coating is a process in which electrically charged powder is sprayed onto aluminum profiles, then baked at 180\u2013200\u00b0C until the coating melts and cures into a strong, durable film. This process is entirely different from conventional oil-based painting, both in terms of durability and adhesion properties.<\/span><\/p>\n<h3><span style=\"font-size: 120%;\">How Does Electrostatic Spray Coating Work?<\/span><\/h3>\n<p><span style=\"color: #282828; font-size: 110%;\"> Electrically charged powder is sprayed onto grounded aluminum profiles. The electrostatic attraction allows the powder to adhere firmly into every corner, even in recessed areas that conventional painting cannot easily reach.<br \/>The profiles are then placed in an oven at approximately 180\u2013200\u00b0C, allowing the powder to melt and cure into a strong coating film. The result is a uniform finish that is highly resistant to scratches and far more weather-resistant than conventional paint<\/span><\/p>\n<h3><span style=\"font-size: 120%;\">Why Is Choosing an Aluminum Brand with Good Pre-treatment More Important Than Price? <\/span><\/h3>\n<p><span style=\"color: #282828; font-size: 110%;\">No matter how high the grade of powder coating is, if the surface preparation (pre-treatment) is poor, the coating may peel off later. At SGQ, we select aluminum from brands such as Thai Metal, SMS Schimmer, ORM, and Fuji Metal because they undergo a systematic degreasing and chemical etching process. This is the essential foundation for long-lasting coating adhesion.<\/span><\/p>\n\t<div id=\"gap-223360051\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-223360051 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\n<span id=\"\u0e40\u0e01\u0e23\u0e14\u0e2a\u0e35\"\/>\n\n\t<div id=\"gap-1331813826\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1331813826 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<h2 data-pm-slice=\"1 1 &#091;&#093;\"><span style=\"font-size: 115%;\">How Many Types of Powder Coating Grades Are There, and How Do You Choose the Right One for the Job?<\/span><\/h2>\n<p><span style=\"font-size: 110%; color: #282828;\">Aluminum powder coating can be divided into 3 main grades based on durability performance. Choosing the wrong grade is the main cause of premature color fading and paint peeling. <\/span><\/p>\n<h3><span style=\"font-size: 120%;\">What Is Standard Polyester Suitable For?<\/span><\/h3>\n<p><span style=\"color: #282828; font-size: 110%;\">Standard Polyester is a basic grade that is cost-effective and available in a wide range of colors. It is suitable for furniture, room dividers, partitions, or other interior applications that are not exposed to direct sunlight.<br \/>However, if it is used outdoors under strong sunlight, the surface will begin to develop \u201cchalking,\u201d where the coating turns into a powdery residue when touched. This affects both the appearance and the protection of the aluminum surface.<\/span><\/p>\n<h3><span style=\"color: #23345c; font-size: 120%;\">Why Is Super Durable Better Than Standard Grades?<\/span><\/h3>\n<p><span style=\"color: #282828; font-size: 110%;\">Super Durable is the grade recommended by the SGQ technician team for exterior residential doors and windows. It contains a higher concentration of UV-resistant additives and can retain its gloss for more than 10 years in Thailand\u2019s climate. It also offers excellent resistance to moisture and sun exposure. Although it is slightly more expensive than standard grades, it is far more worthwhile in the long run when compared with the cost of repairs or repainting later. <\/span><\/p>\n<h3><span style=\"color: #23345c; font-size: 120%;\">When Is It Necessary to Use Hyper Durable \/ PVDF? <\/span><\/h3>\n<p><span style=\"color: #282828; font-size: 110%;\">Hyper Durable or PVDF is the highest-grade option for special projects, such as high-rise buildings that are difficult to clean or seaside homes that are constantly exposed to salt air. \u0e2dIts outdoor service life is 20+ years, but it is more expensive and is usually made to order. For general residential projects, Super Durable is usually sufficient.<\/span><\/p>\n\t<div id=\"gap-430740979\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-430740979 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_554485192\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/03\/Powder-Coating-Paint-Grades_-How-to-Choose-the-Right-One-for-Long-Term-Value-SGQ-Khlong-Sam.webp\" class=\"attachment-original size-original\" alt=\"\" srcset=\"https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/03\/Powder-Coating-Paint-Grades_-How-to-Choose-the-Right-One-for-Long-Term-Value-SGQ-Khlong-Sam.webp 1200w, https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/03\/Powder-Coating-Paint-Grades_-How-to-Choose-the-Right-One-for-Long-Term-Value-SGQ-Khlong-Sam-600x400.webp 600w, https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/03\/Powder-Coating-Paint-Grades_-How-to-Choose-the-Right-One-for-Long-Term-Value-SGQ-Khlong-Sam-768x512.webp 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_554485192 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\n<span id=\"\u0e15\u0e32\u0e23\u0e32\u0e07\u0e40\u0e1b\u0e23\u0e35\u0e22\u0e1a\u0e40\u0e17\u0e35\u0e22\u0e1a\"\/>\n\n\t<div id=\"gap-292369713\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-292369713 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<h2><span style=\"font-size: 120%;\">Comparison Table of 3 Powder Coating Grades \u2014 Choose the Right One for the Job<\/span><\/h2>\n\n\n<style>\n.sgq-table-wrap {\n  width: 100%;\n  overflow-x: auto;\n  margin: 24px 0;\n}\n.sgq-table {\n  width: 100%;\n  min-width: 720px;\n  border-collapse: separate;\n  border-spacing: 0;\n  font-size: 16px;\n  font-family: 'Inter', 'Helvetica Neue', sans-serif;\n  border: 1px solid #d9dee8;\n  border-radius: 16px;\n  overflow: hidden;\n  background: #ffffff;\n  box-shadow: 0 6px 18px rgba(0,0,0,0.04);\n}\n.sgq-table thead th {\n  background: #23345c;\n  color: #ffffff;\n  font-weight: 700;\n  font-size: 16px;\n  padding: 14px 16px;\n  text-align: center;\n  border-bottom: 1px solid #d9dee8;\n  white-space: nowrap;\n}\n.sgq-table thead th:first-child {\n  text-align: left;\n}\n.sgq-table thead th.highlight {\n  background: #36578a;\n}\n.sgq-table tbody td {\n  padding: 14px 16px;\n  font-size: 16px;\n  border-bottom: 1px solid #eceff5;\n  vertical-align: middle;\n  line-height: 1.7;\n  color: #000000;\n  text-align: center;\n}\n.sgq-table tbody td:first-child {\n  font-weight: 600;\n  color: #23345c;\n  text-align: left;\n}\n.sgq-table tbody td.highlight {\n  background: #f0f4ff;\n}\n.sgq-table tbody tr:nth-child(even) td {\n  background: #fafafa;\n}\n.sgq-table tbody tr:nth-child(even) td.highlight {\n  background: #e8eeff;\n}\n.sgq-table tbody tr:hover td {\n  background: #f9fbff;\n  transition: background 0.2s ease;\n}\n.sgq-table tbody tr:last-child td {\n  border-bottom: none;\n}\n<\/style>\n\n<div class=\"sgq-table-wrap\">\n  <table class=\"sgq-table\">\n    <thead>\n      <tr>\n        <th>Feature<\/th>\n        <th>Standard Polyester<\/th>\n        <th class=\"highlight\">Super Durable \u2b50 Installer&#8217;s Pick<\/th>\n        <th>Hyper Durable \/ PVDF<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr>\n        <td>Primary Use<\/td>\n        <td>Interior<\/td>\n        <td class=\"highlight\">Exterior<\/td>\n        <td>High-Rise \/ Coastal<\/td>\n      <\/tr>\n      <tr>\n        <td>UV Resistance<\/td>\n        <td>Moderate<\/td>\n        <td class=\"highlight\">High<\/td>\n        <td>Very High<\/td>\n      <\/tr>\n      <tr>\n        <td>Outdoor Color Lifespan<\/td>\n        <td>3\u20135 years<\/td>\n        <td class=\"highlight\"><strong>10+ years<\/strong><\/td>\n        <td>20+ years<\/td>\n      <\/tr>\n      <tr>\n        <td>Chalking (color powdering)<\/td>\n        <td>Can occur under intense sun<\/td>\n        <td class=\"highlight\">Good resistance<\/td>\n        <td>Maximum resistance<\/td>\n      <\/tr>\n      <tr>\n        <td>Best for SGQ Projects<\/td>\n        <td>Furniture \/ Partitions<\/td>\n        <td class=\"highlight\">Residential Doors &amp; Windows<\/td>\n        <td>Special Projects<\/td>\n      <\/tr>\n      <tr>\n        <td>Approximate Price<\/td>\n        <td>Budget<\/td>\n        <td class=\"highlight\">Mid-Range<\/td>\n        <td>Premium<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n<\/div>\n\n\n\n<span id=\"qc-checklist\"\/>\n\n\t<div id=\"gap-1815290069\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1815290069 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<h2 data-pm-slice=\"1 1 &#091;&#093;\"><span style=\"font-size: 115%;\">5 Quality Checkpoints for Powder Coating Before Job Acceptance<\/span><\/h2>\n<p><span style=\"font-size: 110%; color: #282828;\">Before handing over any installation work, the SGQ technician team emphasizes checking these 5 points every time to ensure the coating meets standards from day one through the final years of use.<\/span><\/p>\n<p><span style=\"color: #282828; font-size: 110%;\"><span style=\"color: #23345c;\"><strong>1.Check for orange peel.<\/strong><\/span> View the surface under reflected light. A properly coated finish should appear smooth and even. If it looks rough like orange skin, it means the spraying process or curing oven temperature was not up to standard.<\/span><\/p>\n<p><span style=\"color: #282828; font-size: 110%;\"><span style=\"color: #23345c;\"><strong>2. Measure the dry film thickness (DFT Test) using a digital gauge.<\/strong><\/span> The standard value must be 60\u2013100 microns. Too thick = the coating becomes brittle and cracks easily \/ Too thin = it cannot properly protect the aluminum.<\/span><\/p>\n<p><span style=\"color: #282828; font-size: 110%;\"><span style=\"color: #23345c;\"><strong>3. Check consistency in recessed areas (Under-spray).<\/strong><\/span> Inspect small grooves and profile corners. The coating thickness must be even at every point.<\/span><\/p>\n<p><span style=\"color: #282828; font-size: 110%;\"><span style=\"color: #23345c;\"><strong>4. Check adhesion (Adhesion Test).<\/strong> <\/span>A basic test can be done by lightly scratching with a fingernail, or technicians may use a cross-hatch test to confirm that the coating does not peel off.<\/span><\/p>\n<p><span style=\"color: #282828; font-size: 110%;\"><span style=\"color: #23345c;\"><strong>5. Check color consistency (Color Consistency).<\/strong><\/span> Verify that each aluminum profile in the same project has the same shade, with no patchiness or visible differences in tone.<\/span><\/p>\n\n\n<div style=\"background:#f0f4ff;border-left:4px solid #23345c;border-radius:8px;padding:20px 24px;margin:32px 0;font-family:'Noto Sans Thai',sans-serif\">\n  <p style=\"margin:0 0 8px;font-size:18px;font-weight:700;color:#23345c\">\n \ud83d\udd0d Let SGQ Help You Check the Paint Specification Before You Place an Order\n  <\/p>\n  <p style=\"margin:0 0 12px;font-size:16px;color:#4b5563;line-height:1.7\">\n Not sure which grade is right for your project? The SGQ Khlong Sam technician team offers free consultation before you order. \n  <\/p>\n  <p style=\"margin:0;font-size:16px;color:#23345c;font-weight:600\">\n \ud83d\udcde Call 081-885-2629 | \ud83d\udcac Line: <a href=\"https:\/\/line.me\/R\/ti\/p\/@sgqklongsam\" style=\"color:#23345c\">@sgqklongsam<\/a>\n  <\/p>\n<\/div>\n\n\t<div id=\"gap-866990078\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-866990078 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\n<span id=\"\u0e0b\u0e48\u0e2d\u0e21\u0e23\u0e2d\u0e22\"\/>\n\n\t<div id=\"gap-1087536137\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1087536137 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<h2 data-pm-slice=\"1 1 &#091;&#093;\"><span style=\"font-size: 120%;\">On-Site Scratch Repair Techniques for Powder Coating: What Anodize Cannot Do<\/span><\/h2>\n<p><span style=\"font-size: 110%; color: #282828;\">The ability to repair scratches on-site is the greatest strength of powder coating. When damage occurs during transportation or installation, skilled technicians can fix it at 3 levels depending on the severity of the scratch.<\/span><\/p>\n<h3><span style=\"font-size: 120%; color: #23345c;\">How Can Minor Scratches Be Repaired? <\/span><\/h3>\n<p><span style=\"font-size: 110%; color: #282828;\">If the scratch is only light surface damage and has not reached the metal, apply a fine polishing compound to the mark, then gently buff it in circular motions with a soft cloth. The coated surface will gradually return to a smooth finish. This method is suitable for scratches caused by friction during transportation. <\/span><\/p>\n<h3><span style=\"font-size: 120%; color: #23345c;\">How Should a Touch-up Pen Be Used Correctly? <\/span><\/h3>\n<p><span style=\"font-size: 110%; color: #282828;\">For small scratches that go down to the aluminum surface, use a touch-up pen with an RAL Code that matches the production batch. Apply it lightly to cover the mark and prevent moisture from reaching and corroding the metal.<\/span><\/p>\n<p><span style=\"color: #282828; font-size: 110%;\">Very important: the RAL Code must match the originally ordered color exactly, because each production batch may have slight shade variations.<\/span><\/p>\n<h3><span style=\"font-size: 120%; color: #23345c;\">When should aerosol touch-up spray be used, and what precautions should be taken? <\/span><\/h3>\n<p><span style=\"font-size: 110%; color: #282828;\">It should be used for large scratches where a touch-up pen is not practical. The method is as follows: <\/span><\/p>\n<ul>\n<li><span style=\"font-size: 110%; color: #282828;\">Clean the scratched area so it is free from grease and oil.<\/span><\/li>\n<li><span style=\"font-size: 110%; color: #282828;\">Use sandpaper grit 1000 or higher and rub lightly to open up the surface.<\/span><\/li>\n<li><span style=\"font-size: 110%; color: #282828;\">Mask the areas that should not be painted with paper.<\/span><\/li>\n<li><span style=\"font-size: 110%; color: #282828;\">Apply the spray paint in 2\u20133 light coats, allowing each coat to dry before applying the next. <\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 110%; color: #282828;\">\u26a0\ufe0f Precaution: On-site spray repair may cause the gloss level to differ slightly from the original finish. For premium work, it is recommended to return the piece to the factory for full recoating.<\/span><\/p>\n\t<div id=\"gap-1669919327\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1669919327 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\n<span id=\"\u0e01\u0e23\u0e13\u0e35\u0e28\u0e36\u0e01\u0e29\u0e32\"\/>\n\n\t<div id=\"gap-183631250\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-183631250 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<h2 data-pm-slice=\"1 1 &#091;&#093;\"><span style=\"font-size: 115%;\">Case Study \u2014 Common Powder Coating Problems and How to Prevent Them | SGQ Khlong Sam<\/span><\/h2>\n<p><span style=\"font-size: 110%; color: #282828;\">From on-site project experience, the SGQ Khlong Sam technician team has repeatedly found 2 common problems that can be prevented if the causes are understood from the material selection stage.<\/span><\/p>\n<h3><span style=\"font-size: 120%;\">Problem 1: Coating peels off in sheets around cut edges<\/span><\/h3>\n<p><span style=\"color: #282828; font-size: 110%;\"><strong>Cause:<\/strong> A dull saw blade generates excessive heat, causing the coating to separate, or the factory surface preparation (Pre-treatment) was poor from the beginning.<\/span><\/p>\n<p><span style=\"color: #282828; font-size: 110%;\"><strong>Prevention:<\/strong> SGQ uses standard machinery and high-quality saw blades, while also selecting aluminum brands that undergo strict pre-treatment. This results in clean, precise cuts with no heat buildup along the edges.<\/span><\/p>\n<h3><span style=\"font-size: 120%; color: #23345c;\">Problem 2: The coating fades on the front side of the house within 2\u20133 years<\/span><\/h3>\n<div class=\"flex flex-col text-sm pb-25\">\n<section class=\"text-token-text-primary w-full focus:outline-none &#091;--shadow-height:45px&#093; has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) &#091;&amp;:has(&#091;data-writing-block&#093;)&gt;*&#093;:pointer-events-auto scroll-mt-&#091;calc(var(--header-height)+min(200px,max(70px,20svh)))&#093;\" dir=\"auto\" data-turn-id=\"request-WEB:256a04c0-0d84-432c-a3d4-39267bef507c-14\" data-testid=\"conversation-turn-30\" data-scroll-anchor=\"true\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 &#091;--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))&#093; @w-sm\/main:&#091;--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))&#093; @w-lg\/main:&#091;--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))&#093; px-(--thread-content-margin)\">\n<div class=\"&#091;--thread-content-max-width:40rem&#093; @w-lg\/main:&#091;--thread-content-max-width:48rem&#093; mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\">\n<div class=\"flex max-w-full flex-col gap-4 grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring &#091;.text-message+&amp;&#093;:mt-1\" dir=\"auto\" tabindex=\"0\" data-message-author-role=\"assistant\" data-message-id=\"7fc6f413-1fe4-4636-97db-5c933f5ea776\" data-message-model-slug=\"gpt-5-4-thinking\" data-turn-start-message=\"true\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden\">\n<div class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\">\n<p data-start=\"1361\" data-end=\"1528\"><span style=\"font-size: 110%; color: #282828;\"><strong>Cause:<\/strong> Standard Polyester grade was selected for exterior use in areas exposed to strong sunlight.<\/span><\/p>\n<p data-start=\"1530\" data-end=\"1933\" data-is-last-node=\"\" data-is-only-node=\"\"><span style=\"font-size: 110%; color: #282828;\"><strong>Prevention:<\/strong> Customers are advised to switch to Super Durable grade from the design stage before the problem occurs, because the slightly higher upfront cost is far better than the expense of repainting the entire set later.<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"mt-3 w-full empty:hidden\">\n<div class=\"text-center\">\u00a0<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<div class=\"pointer-events-none h-px w-px absolute bottom-0\" aria-hidden=\"true\" data-edge=\"true\">\u00a0<\/div>\n\t<div id=\"gap-1402392388\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1402392388 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<h2 data-pm-slice=\"1 1 &#091;&#093;\"><span style=\"font-size: 115%; color: #23345c;\">Why Do Contractors and Homeowners Trust SGQ Khlong Sam?<\/span><\/h2>\n<p><span style=\"color: #282828; font-size: 110%;\">SGQ Khlong Sam is not just a supplier of aluminum profiles. It is a complete glass and aluminum solutions center that contractors choose to use again and again.<\/span><\/p>\n<p><span style=\"color: #282828; font-size: 110%;\"><strong>\u2014 Engineering Design:<\/strong> We help calculate the appropriate aluminum profile section in relation to coating film thickness, ensuring smooth sliding and opening-closing performance. See details: <a style=\"color: #282828;\" href=\"https:\/\/smartglassquality.com\/2025\/10\/24\/aluminium-thickness-standard\/\" target=\"_blank\" rel=\"noopener\">Standard aluminum profiles \u2192 Aluminum profile thickness<\/a><\/span><\/p>\n<p><span style=\"color: #282828; font-size: 110%;\"><strong>\u2014 Assembly Service:<\/strong> Installation, cutting, and assembly services using precise machinery, so contractors can take the products straight to installation, greatly reducing on-site work. See details: \u00a0<a style=\"color: #282828;\" href=\"https:\/\/smartglassquality.com\/en\/aluminum-installation\/\" target=\"_blank\" rel=\"noopener\">Door and window installation \u2192 Custom door and window system cutting and assembly<\/a><\/span><\/p>\n<p><span style=\"color: #282828; font-size: 110%;\"><strong>\u2014 Standard Brand Inventory:<\/strong> We stock Thai Metal, SMS Schimmer, ORM, and Fuji Metal, including popular finishes such as Matte Black and many other shades, ready for immediate delivery.<\/span><\/p>\n<p><span style=\"color: #282828; font-size: 110%;\">Read more: <a style=\"color: #282828;\" href=\"https:\/\/smartglassquality.com\/en\/2025\/06\/14\/types-of-glass-in-aluminum-work\/\" target=\"_blank\" rel=\"noopener\">What types of glass are used with aluminum work, and which type is suitable for each application? \u2192 Glass for doors and windows\u00a0<\/a><\/span><\/p>\n<div id=\"text-2488249180\" class=\"text\">\n<p><span style=\"font-size: 110%; color: #282828;\"><strong>\u2014 Start your installation project with confidence at SGQ:<\/strong> We are ready to provide consultation for all types of aluminum door and window work, whether for residential homes, office buildings, or large-scale projects. Complete the job faster and with confidence in the quality, using standardized materials and hardware in every component. <a style=\"color: #282828;\" href=\"https:\/\/smartglassquality.com\/en\/contact-us\/\" target=\"_blank\" rel=\"noopener\">Contact SGQ<\/a><\/span><\/p>\n<\/div>\n\n\n<div style=\"border-top:1px solid #e5e7eb;padding:16px 0;margin:32px 0;font-size:16px;color:#6b7280;font-family:'Noto Sans Thai',sans-serif\">\n  <p style=\"margin:0\">\n \u270d\ufe0f\u270d\ufe0f <strong style=\"color:#23345c\">Written by:<\/strong> SGQ Khlong Sam Technician Team \u2014 Experienced in aluminum and glass work\nServing contractors and homeowners across Pathum Thani and Bangkok\n\ud83d\udcc5<strong style=\"color:#23345c\"> Published:<\/strong> March 30, 2026 &nbsp;|&nbsp;<br><strong style=\"color:#23345c\">\ud83d\udd04 Last updated: <\/strong>March 2026<br>\ud83d\udccd <strong style=\"color:#23345c\">Sources:<\/strong> Real on-site project experience \/ DFT standards based on QUALICOAT \/ RAL Color System\n  <\/p>\n<\/div>\n\n\t<div id=\"gap-2000346115\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-2000346115 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\n<span id=\"tldr\"\/>\n\n\n\n<div style=\"background:#f8faff;border:1px solid #36578a;border-radius:10px;padding:24px 28px;margin:32px 0;font-family:'Inter','Helvetica Neue',sans-serif\">\n  <h2 style=\"font-size:20px;color:#23345c;margin:0 0 16px;font-weight:700\">\n    \ud83d\udccc Summary \u2014 Key Takeaways: Aluminium Powder Coating Colors\n  <\/h2>\n  <ul style=\"margin:0;padding-left:20px;font-size:16px;color:#374151;line-height:2\">\n    <li>Powder coating uses electrostatic charge + curing at 180\u2013200\u00b0C \u2014 producing a harder, more durable film than conventional paint<\/li>\n    <li>Exterior applications require <strong>Super Durable<\/strong> grade \u2014 UV-resistant, maintains gloss for 10+ years<\/li>\n    <li>Standard DFT must be <strong>60\u2013100 microns<\/strong> \u2014 verify with a digital thickness gauge before accepting the work<\/li>\n    <li>Scratches can be repaired 3 ways: polishing compound \u2192 touch-up pen (RAL code) \u2192 aerosol spray repair<\/li>\n    <li>Choose aluminium brands with quality pre-treatment, such as Thai Metal or SMS Schimmer \u2014 paint adhesion lasts significantly longer<\/li>\n  <\/ul>\n<\/div>\n\n\n\n<span id=\"faq\"\/>\n\n\t<div id=\"gap-2128844751\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-2128844751 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\n<div style=\"padding:40px 20px\">\n  <h2 style=\"font-size:26px;color:#23345c;margin-bottom:16px\">\n  <h2 style=\"font-size:26px;color:#23345c;margin-bottom:16px\">\n Frequently Asked Questions: Powder Coating Aluminum Colors\n  <\/h2>\n\n  <div style=\"padding:24px 0;border-top:1px solid #e5e7eb;border-bottom:1px solid #e5e7eb\">\n    <h3 style=\"font-size:17px;color:#23345c;font-weight:700;margin-bottom:10px;line-height:1.6\">\n  1. Which is more durable: Powder Coating or Anodize?\n    <\/h3>\n    <p style=\"font-size:17px;color:inherit\">\n In terms of UV resistance, Anodize may have a slight advantage because it directly alters the structure of the aluminum surface.\nHowever, in terms of color variety, appearance, and especially the ability to repair scratches immediately on-site, Powder Coating is the clear winner.\nFor general residential doors and windows, Super Durable Powder Coating is a much more cost-effective and flexible option.\n    <\/p>\n  <\/div>\n\n  <div style=\"padding:24px 0;border-bottom:1px solid #e5e7eb\">\n    <h3 style=\"font-size:17px;color:#23345c;font-weight:700;margin-bottom:10px;line-height:1.6\">\n  2. What is a good DFT (Dry Film Thickness) value?\n    <\/h3>\n    <p style=\"font-size:17px;color:inherit\">\n The standard DFT (Dry Film Thickness) for powder-coated aluminum must be 60\u2013100 microns.\nIf it is thinner than 60 microns, the coating will not provide sufficient protection for the aluminum surface.<br>If it is thicker than 100 microns, the coating may become brittle and crack easily.\nIt should be checked with a digital DFT gauge before accepting the job every time.\n    <\/p>\n  <\/div>\n\n  <div style=\"padding:24px 0;border-bottom:1px solid #e5e7eb\">\n    <h3 style=\"font-size:17px;color:#23345c;font-weight:700;margin-bottom:10px;line-height:1.6\">\n  3. How is Super Durable different from standard grades, and what types of applications is it suitable for?\n    <\/h3>\n    <p style=\"font-size:17px;color:inherit\">\n Super Durable contains a higher concentration of UV-resistant additives than standard grades (Standard Polyester).\nThis allows it to retain its gloss for more than 10 years in outdoor conditions.\nMeanwhile, standard grades may begin to show chalking (the surface turning powdery) after only 3\u20135 years of intense sun exposure.\nSuper Durable is recommended for all door and window components installed on the exterior of a building.\n    <\/p>\n  <\/div>\n\n  <div style=\"padding:24px 0;border-bottom:1px solid #e5e7eb\">\n    <h3 style=\"font-size:17px;color:#23345c;font-weight:700;margin-bottom:10px;line-height:1.6\">\n  4. Can scratches on powder-coated aluminum be repaired?\n    <\/h3>\n    <p style=\"font-size:17px;color:inherit\">\n Yes, they can be repaired, and this is a key advantage over anodizing.\nLight scratches: Use a fine polishing compound and buff in circular motions.\nDeep scratches down to the metal: Use a touch-up paint pen with an RAL Code that matches the production batch.\nLarge damaged areas: Use repair spray paint (aerosol), applying 2\u20133 light coats.\nOne precaution is that spray repair may cause the gloss level to differ slightly from the original surface.\n    <\/p>\n  <\/div>\n\n  <div style=\"padding:24px 0;border-bottom:1px solid #e5e7eb\">\n    <h3 style=\"font-size:17px;color:#23345c;font-weight:700;margin-bottom:10px;line-height:1.6\">\n  5. Why do prices differ between powder-coated aluminum suppliers?\n    <\/h3>\n    <p style=\"font-size:17px;color:inherit\">\n The difference mainly comes down to two key factors: the grade of powder used for coating, and the thickness of the aluminum profile. At SGQ, we focus on the standard thickness of 1.2\u20131.5 mm and high-grade coatings, because in the long run, a slightly higher upfront cost is far better than having to repair or replace the finish later at many times the cost.\n    <\/p>\n  <\/div>\n\n  <div style=\"padding:24px 0;border-bottom:1px solid #e5e7eb\">\n    <h3 style=\"font-size:17px;color:#23345c;font-weight:700;margin-bottom:10px;line-height:1.6\">\n  6. What causes orange peel on powder-coated aluminum, and how can it be prevented?\n    <\/h3>\n    <p style=\"font-size:17px;color:inherit\">\n Orange peel is caused by improper spraying distance, inconsistent air pressure, or curing oven temperatures that are too high or too low during the curing process.<br>It can be prevented by choosing aluminum from factories that maintain standardized production control, and by checking the paint surface under reflected light before accepting the product.\nIf orange peel is found, it should be rejected and a re-coating should be requested immediately.\n    <\/p>\n  <\/div>\n\n<\/div>\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\n<div style=\"background:#23345c;border-radius:12px;padding:32px 28px;margin:40px 0;text-align:center;font-family:'Noto Sans Thai',sans-serif\">\n  <h2 style=\"font-size:22px;color:#fff;margin:0 0 12px;font-weight:700\">\n Consult SGQ for Powder Coating Aluminum Color Advice\n  <\/h2>\n  <p style=\"font-size:16px;color:#c8d5f0;line-height:1.7;margin:0 0 20px\">\n Whether for residential projects or contractor developments, the SGQ Khlong Sam technician team is ready to recommend the right coating specification for your job. \n<\/p>\n  <div style=\"display:flex;flex-wrap:wrap;gap:12px;justify-content:center\">\n     <a href=\"tel:0818852629\" style=\"display:inline-block;background:#fff;color:#23345c;font-weight:700;font-size:16px;padding:12px 24px;border-radius:8px;text-decoration:none\">\n\ud83d\udcde 081-885-2629\n<\/a>\n<a href=\"https:\/\/line.me\/R\/ti\/p\/@sgqklongsam\" style=\"display:inline-block;background:#06c755;color:#fff;font-weight:700;font-size:16px;padding:12px 24px;border-radius:8px;text-decoration:none\">\n\ud83d\udcac Line: @sgqklongsam\n<\/a> \n  <\/div>\n  <p style=\"font-size:14px;color:#c8d5f0;margin:16px 0 0\">\n \ud83d\udccd 19\/60-61 Moo 7, Khlong Sam, Pathum Thani | Open Monday &#8211; Saturday, 8:00 AM &#8211; 5:30 PM \n  <\/p>\n<\/div>\n\n\t<div id=\"gap-1533415162\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1533415162 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"gap-69461936\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-69461936 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<div class=\"row\"  id=\"row-840400354\">\n\n\n\t<div id=\"col-1161980023\" class=\"col medium-8 small-12 large-8\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p data-start=\"92\" data-end=\"133\"><span style=\"color: #23345c; font-size: 20px;\">For Aluminium Contractors &amp; Installers<\/span><\/p>\n<p data-start=\"134\" data-end=\"297\">If you need aluminium profiles, quality glass, premium hardware, custom cutting &amp; fabrication, installation tools, or on-site technical advice,<\/p>\n<p>you can contact us at:<br \/>\u2022 Line : <a href=\"https:\/\/lin.ee\/Wkn1Ong\" target=\"_blank\" rel=\"noopener\">https:\/\/lin.ee\/Wkn1Ong<\/a> <br \/>\u2022 Tel : 081-885-2629<br \/>\u2022 Facebook : <a href=\"https:\/\/www.facebook.com\/profile.php?id=61556175607240\" target=\"_blank\" rel=\"noopener\">Smartglassquality <\/a> <\/p>\n\t<div id=\"gap-493616086\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-493616086 {\n  padding-top: 15px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<p data-start=\"92\" data-end=\"133\"><span style=\"color: #23345c; font-size: 20px;\">For Homeowners &amp; Project Owners<\/span><\/p>\n<p data-start=\"134\" data-end=\"297\">If you are looking for aluminium door\u2013window installation, glass works, sliding and swing systems, room partitions, or high-quality materials for home renovation<\/p>\n<p>you can contact us at:<br \/>\u2022 Line : <a href=\"https:\/\/lin.ee\/Wkn1Ong\" target=\"_blank\" rel=\"noopener\">https:\/\/lin.ee\/Wkn1Ong<\/a> <br \/>\u2022 Tel : 099-392-1963 , 097-936-1449<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-1995396793\">\n\n\n\t<div id=\"col-347779630\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-left\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"gap-1598419885\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1598419885 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3148504362\" class=\"text\">\n\t\t\n\n<h3><span style=\"color: #23345c;\">Recommended for You<\/span><\/h3>\n\t\t\n<style>\n#text-3148504362 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-1350353537\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1350353537 {\n  padding-top: 10px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n  \n    <div class=\"row large-columns-3 medium-columns-3 small-columns-2 slider row-slider slider-nav-reveal slider-nav-push\"  data-flickity-options='{&quot;imagesLoaded&quot;: true, &quot;groupCells&quot;: &quot;100%&quot;, &quot;dragThreshold&quot; : 5, &quot;cellAlign&quot;: &quot;left&quot;,&quot;wrapAround&quot;: true,&quot;prevNextButtons&quot;: true,&quot;percentPosition&quot;: true,&quot;pageDots&quot;: false, &quot;rightToLeft&quot;: false, &quot;autoPlay&quot; : false}' >\n\n  <div class=\"col post-item\" >\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box box-normal box-text-bottom box-blog-post has-hover\">\n            \t\t\t\t\t<div class=\"box-image\" >\n  \t\t\t\t\t\t<div class=\"image-cover\" style=\"padding-top:56.25%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/smartglassquality.com\/en\/2026\/03\/31\/slim-frame-aluminum-a-guide-to-choosing-specifications-design-trends-and-green-aluminum-for-minimalist-homes\/\" class=\"plain\" aria-label=\"Slim Frame Aluminum: A Guide to Choosing Specifications, Design Trends, and Green Aluminum for Minimalist Homes\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"762\" height=\"400\" src=\"https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/03\/Slim-Frame-Aluminum-Design-Trends-and-Green-Aluminum-for-Minimalist-Homes-SGQ-Khlong-Sam\u0e023-762x400.webp\" class=\"attachment-medium size-medium wp-post-image\" alt=\"\" srcset=\"https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/03\/Slim-Frame-Aluminum-Design-Trends-and-Green-Aluminum-for-Minimalist-Homes-SGQ-Khlong-Sam\u0e023-762x400.webp 762w, https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/03\/Slim-Frame-Aluminum-Design-Trends-and-Green-Aluminum-for-Minimalist-Homes-SGQ-Khlong-Sam\u0e023-768x403.webp 768w, https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/03\/Slim-Frame-Aluminum-Design-Trends-and-Green-Aluminum-for-Minimalist-Homes-SGQ-Khlong-Sam\u0e023.webp 1200w\" sizes=\"auto, (max-width: 762px) 100vw, 762px\" \/>\t\t\t\t\t\t\t<\/a>\n  \t\t\t\t\t\t\t  \t\t\t\t\t\t\t  \t\t\t\t\t\t<\/div>\n  \t\t\t\t\t\t  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style=\"padding-top:56.25%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/smartglassquality.com\/en\/2026\/03\/30\/powder-coating-aluminum-colors-2026-a-guide-to-choosing-the-right-grade-checking-quality-and-repairing-on-site-scratches\/\" class=\"plain\" aria-label=\"Powder Coating Aluminum Colors 2026: A Guide to Choosing the Right Grade, Checking Quality, and Repairing On-Site Scratches\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"762\" height=\"400\" src=\"https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/03\/Powder-Coating-Aluminum-Colors-An-In-Depth-Look-at-Industrial-Grades-SGQ-Khlong-Sam-2-762x400.webp\" class=\"attachment-medium size-medium wp-post-image\" alt=\"\" srcset=\"https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/03\/Powder-Coating-Aluminum-Colors-An-In-Depth-Look-at-Industrial-Grades-SGQ-Khlong-Sam-2-762x400.webp 762w, 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class=\"plain\">Fix Sliding Aluminum Door That Is Hard to Open or Close: Repair and Maintenance Guide to Make It Smooth Again<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t\t\t\t\t\t<div class=\"is-divider\"><\/div>\n\t\t\t\t\t                    \n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><div class=\"col post-item\" >\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box box-normal box-text-bottom box-blog-post has-hover\">\n            \t\t\t\t\t<div class=\"box-image\" >\n  \t\t\t\t\t\t<div class=\"image-cover\" style=\"padding-top:56.25%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/smartglassquality.com\/en\/2026\/03\/08\/which-matte-black-aluminum-sliding-door-brand-is-best-a-professional-guide-to-choosing-the-right-brand-and-specifications\/\" class=\"plain\" aria-label=\"Which Matte Black Aluminum Sliding Door Brand Is Best? A Professional Guide to Choosing the Right Brand and Specifications\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"762\" height=\"400\" src=\"https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/03\/matte-black-aluminum-sliding-door-best-brands-sgq-klong-sam-762x400.png\" class=\"attachment-medium size-medium wp-post-image\" alt=\"\u0e1b\u0e23\u0e30\u0e15\u0e39\u0e1a\u0e32\u0e19\u0e40\u0e25\u0e37\u0e48\u0e2d\u0e19\u0e2d\u0e25\u0e39\u0e21\u0e34\u0e40\u0e19\u0e35\u0e22\u0e21\u0e2a\u0e35\u0e14\u0e33\u0e14\u0e49\u0e32\u0e19 \u0e14\u0e35\u0e44\u0e0b\u0e19\u0e4c\u0e42\u0e21\u0e40\u0e14\u0e34\u0e23\u0e4c\u0e19\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e1a\u0e49\u0e32\u0e19\u0e1e\u0e31\u0e01\u0e2d\u0e32\u0e28\u0e31\u0e22 \u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e1b\u0e23\u0e30\u0e15\u0e39\u0e1a\u0e32\u0e19\u0e40\u0e25\u0e37\u0e48\u0e2d\u0e19\u0e2d\u0e25\u0e39\u0e21\u0e34\u0e40\u0e19\u0e35\u0e22\u0e21\u0e22\u0e2d\u0e14\u0e19\u0e34\u0e22\u0e21\" srcset=\"https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/03\/matte-black-aluminum-sliding-door-best-brands-sgq-klong-sam-762x400.png 762w, https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/03\/matte-black-aluminum-sliding-door-best-brands-sgq-klong-sam-768x403.png 768w, https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/03\/matte-black-aluminum-sliding-door-best-brands-sgq-klong-sam.png 1200w\" sizes=\"auto, (max-width: 762px) 100vw, 762px\" \/>\t\t\t\t\t\t\t<\/a>\n  \t\t\t\t\t\t\t  \t\t\t\t\t\t\t  \t\t\t\t\t\t<\/div>\n  \t\t\t\t\t\t  \t\t\t\t\t<\/div>\n          \t\t\t\t\t<div class=\"box-text text-left is-small\" >\n\t\t\t\t\t<div class=\"box-text-inner blog-post-inner\">\n\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<h5 class=\"post-title is-large \">\n\t\t\t\t\t\t<a href=\"https:\/\/smartglassquality.com\/en\/2026\/03\/08\/which-matte-black-aluminum-sliding-door-brand-is-best-a-professional-guide-to-choosing-the-right-brand-and-specifications\/\" class=\"plain\">Which Matte Black Aluminum Sliding Door Brand Is Best? A Professional Guide to Choosing the Right Brand and Specifications<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t\t\t\t\t\t<div class=\"is-divider\"><\/div>\n\t\t\t\t\t                    \n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><\/div>\n\n<div class=\"row\"  id=\"row-1841369994\">\n\n\n\t<div id=\"col-700945375\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-left\"  >\n\t\t\t\n\t\t\t\n\n<a href=\"https:\/\/smartglassquality.com\/en\/message\/\" target=\"_blank\" class=\"button secondary is-link lowercase\" rel=\"noopener\" style=\"border-radius:99px;\">\n\t\t<span>See All News &amp; Articles<\/span>\n\t<i class=\"icon-angle-right\" aria-hidden=\"true\"><\/i><\/a>\n\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\n\n<script type=\"application\/ld+json\">{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u0e2a\u0e35 Powder Coating \u0e01\u0e31\u0e1a Anodize \u0e41\u0e1a\u0e1a\u0e44\u0e2b\u0e19\u0e17\u0e19\u0e17\u0e32\u0e19\u0e01\u0e27\u0e48\u0e32\u0e01\u0e31\u0e19?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u0e43\u0e19\u0e41\u0e07\u0e48\u0e01\u0e32\u0e23\u0e17\u0e19\u0e23\u0e31\u0e07\u0e2a\u0e35\u0e22\u0e39\u0e27\u0e35 Anodize \u0e2d\u0e32\u0e08\u0e40\u0e2b\u0e19\u0e37\u0e2d\u0e01\u0e27\u0e48\u0e32\u0e40\u0e25\u0e47\u0e01\u0e19\u0e49\u0e2d\u0e22 \u0e41\u0e15\u0e48\u0e43\u0e19\u0e41\u0e07\u0e48\u0e04\u0e27\u0e32\u0e21\u0e2b\u0e25\u0e32\u0e01\u0e2b\u0e25\u0e32\u0e22\u0e02\u0e2d\u0e07\u0e40\u0e09\u0e14\u0e2a\u0e35 \u0e04\u0e27\u0e32\u0e21\u0e2a\u0e27\u0e22\u0e07\u0e32\u0e21 \u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e43\u0e19\u0e01\u0e32\u0e23\u0e0b\u0e48\u0e2d\u0e21\u0e23\u0e2d\u0e22\u0e02\u0e35\u0e14\u0e02\u0e48\u0e27\u0e19\u0e2b\u0e19\u0e49\u0e32\u0e07\u0e32\u0e19\u0e44\u0e14\u0e49\u0e17\u0e31\u0e19\u0e17\u0e35 Powder Coating \u0e0a\u0e19\u0e30\u0e02\u0e32\u0e14\u0e25\u0e2d\u0e22 \u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e07\u0e32\u0e19\u0e1b\u0e23\u0e30\u0e15\u0e39\u0e2b\u0e19\u0e49\u0e32\u0e15\u0e48\u0e32\u0e07\u0e1a\u0e49\u0e32\u0e19\u0e1e\u0e31\u0e01\u0e2d\u0e32\u0e28\u0e31\u0e22\u0e17\u0e31\u0e48\u0e27\u0e44\u0e1b Super Durable Powder Coating \u0e40\u0e1b\u0e47\u0e19\u0e15\u0e31\u0e27\u0e40\u0e25\u0e37\u0e2d\u0e01\u0e17\u0e35\u0e48\u0e04\u0e38\u0e49\u0e21\u0e04\u0e48\u0e32\u0e41\u0e25\u0e30\u0e22\u0e37\u0e14\u0e2b\u0e22\u0e38\u0e48\u0e19\u0e01\u0e27\u0e48\u0e32\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u0e04\u0e48\u0e32\u0e04\u0e27\u0e32\u0e21\u0e2b\u0e19\u0e32\u0e1f\u0e34\u0e25\u0e4c\u0e21\u0e2a\u0e35 (DFT) \u0e17\u0e35\u0e48\u0e14\u0e35\u0e04\u0e27\u0e23\u0e2d\u0e22\u0e39\u0e48\u0e17\u0e35\u0e48\u0e40\u0e17\u0e48\u0e32\u0e44\u0e2b\u0e23\u0e48?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u0e04\u0e48\u0e32 DFT \u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e2a\u0e35\u0e2d\u0e25\u0e39\u0e21\u0e34\u0e40\u0e19\u0e35\u0e22\u0e21 Powder Coating \u0e15\u0e49\u0e2d\u0e07\u0e2d\u0e22\u0e39\u0e48\u0e17\u0e35\u0e48 60\u2013100 Microns \u0e2b\u0e32\u0e01\u0e1a\u0e32\u0e07\u0e01\u0e27\u0e48\u0e32 60 Microns \u0e2a\u0e35\u0e08\u0e30\u0e1b\u0e01\u0e1b\u0e49\u0e2d\u0e07\u0e40\u0e19\u0e37\u0e49\u0e2d\u0e2d\u0e25\u0e39\u0e21\u0e34\u0e40\u0e19\u0e35\u0e22\u0e21\u0e44\u0e14\u0e49\u0e44\u0e21\u0e48\u0e40\u0e1e\u0e35\u0e22\u0e07\u0e1e\u0e2d \u0e2b\u0e32\u0e01\u0e2b\u0e19\u0e32\u0e01\u0e27\u0e48\u0e32 100 Microns \u0e2a\u0e35\u0e08\u0e30\u0e40\u0e1b\u0e23\u0e32\u0e30\u0e41\u0e25\u0e30\u0e41\u0e15\u0e01\u0e23\u0e49\u0e32\u0e27\u0e44\u0e14\u0e49\u0e07\u0e48\u0e32\u0e22 \u0e15\u0e23\u0e27\u0e08\u0e2a\u0e2d\u0e1a\u0e14\u0e49\u0e27\u0e22\u0e40\u0e04\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e27\u0e31\u0e14 DFT \u0e41\u0e1a\u0e1a\u0e14\u0e34\u0e08\u0e34\u0e17\u0e31\u0e25\u0e01\u0e48\u0e2d\u0e19\u0e23\u0e31\u0e1a\u0e07\u0e32\u0e19\u0e17\u0e38\u0e01\u0e04\u0e23\u0e31\u0e49\u0e07\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u0e2a\u0e35\u0e40\u0e01\u0e23\u0e14 Super Durable \u0e15\u0e48\u0e32\u0e07\u0e08\u0e32\u0e01\u0e40\u0e01\u0e23\u0e14\u0e17\u0e31\u0e48\u0e27\u0e44\u0e1b\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e44\u0e23?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Super Durable \u0e1c\u0e2a\u0e21\u0e2a\u0e32\u0e23\u0e1b\u0e49\u0e2d\u0e07\u0e01\u0e31\u0e19\u0e23\u0e31\u0e07\u0e2a\u0e35\u0e22\u0e39\u0e27\u0e35\u0e40\u0e02\u0e49\u0e21\u0e02\u0e49\u0e19\u0e01\u0e27\u0e48\u0e32 Standard Polyester \u0e23\u0e31\u0e01\u0e29\u0e32\u0e04\u0e27\u0e32\u0e21\u0e40\u0e07\u0e32\u0e44\u0e14\u0e49\u0e19\u0e32\u0e19\u0e01\u0e27\u0e48\u0e32 10 \u0e1b\u0e35\u0e01\u0e25\u0e32\u0e07\u0e41\u0e08\u0e49\u0e07 \u0e02\u0e13\u0e30\u0e17\u0e35\u0e48\u0e40\u0e01\u0e23\u0e14\u0e17\u0e31\u0e48\u0e27\u0e44\u0e1b\u0e40\u0e23\u0e34\u0e48\u0e21\u0e40\u0e01\u0e34\u0e14 Chalking \u0e40\u0e21\u0e37\u0e48\u0e2d\u0e42\u0e14\u0e19\u0e41\u0e14\u0e14\u0e08\u0e31\u0e14\u0e40\u0e1e\u0e35\u0e22\u0e07 3\u20135 \u0e1b\u0e35 \u0e41\u0e19\u0e30\u0e19\u0e33\u0e43\u0e0a\u0e49\u0e01\u0e31\u0e1a\u0e07\u0e32\u0e19\u0e1b\u0e23\u0e30\u0e15\u0e39-\u0e2b\u0e19\u0e49\u0e32\u0e15\u0e48\u0e32\u0e07\u0e20\u0e32\u0e22\u0e19\u0e2d\u0e01\u0e2d\u0e32\u0e04\u0e32\u0e23\u0e17\u0e38\u0e01\u0e0a\u0e34\u0e49\u0e19\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u0e23\u0e2d\u0e22\u0e02\u0e35\u0e14\u0e02\u0e48\u0e27\u0e19\u0e1a\u0e19\u0e2a\u0e35\u0e2d\u0e25\u0e39\u0e21\u0e34\u0e40\u0e19\u0e35\u0e22\u0e21 Powder Coating \u0e0b\u0e48\u0e2d\u0e21\u0e44\u0e14\u0e49\u0e44\u0e2b\u0e21?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u0e0b\u0e48\u0e2d\u0e21\u0e44\u0e14\u0e49 3 \u0e27\u0e34\u0e18\u0e35\u0e15\u0e32\u0e21\u0e04\u0e27\u0e32\u0e21\u0e23\u0e38\u0e19\u0e41\u0e23\u0e07: \u0e23\u0e2d\u0e22\u0e40\u0e1a\u0e32 \u0e43\u0e0a\u0e49\u0e04\u0e23\u0e35\u0e21\u0e02\u0e31\u0e14\u0e2a\u0e35\u0e25\u0e30\u0e40\u0e2d\u0e35\u0e22\u0e14 \u0e23\u0e2d\u0e22\u0e25\u0e36\u0e01\u0e16\u0e36\u0e07\u0e40\u0e19\u0e37\u0e49\u0e2d\u0e42\u0e25\u0e2b\u0e30 \u0e43\u0e0a\u0e49\u0e1b\u0e32\u0e01\u0e01\u0e32\u0e41\u0e15\u0e49\u0e21\u0e2a\u0e35\u0e17\u0e35\u0e48\u0e21\u0e35 RAL Code \u0e15\u0e23\u0e07\u0e01\u0e31\u0e1a\u0e25\u0e47\u0e2d\u0e15\u0e1c\u0e25\u0e34\u0e15 \u0e23\u0e2d\u0e22\u0e02\u0e19\u0e32\u0e14\u0e43\u0e2b\u0e0d\u0e48 \u0e43\u0e0a\u0e49\u0e2a\u0e40\u0e1b\u0e23\u0e22\u0e4c\u0e1e\u0e48\u0e19\u0e0b\u0e48\u0e2d\u0e21 Aerosol \u0e1a\u0e32\u0e07\u0e46 2\u20133 \u0e23\u0e2d\u0e1a \u0e02\u0e49\u0e2d\u0e04\u0e27\u0e23\u0e23\u0e30\u0e27\u0e31\u0e07\u0e04\u0e37\u0e2d\u0e01\u0e32\u0e23\u0e1e\u0e48\u0e19\u0e0b\u0e48\u0e2d\u0e21\u0e2d\u0e32\u0e08\u0e17\u0e33\u0e43\u0e2b\u0e49\u0e04\u0e48\u0e32\u0e04\u0e27\u0e32\u0e21\u0e40\u0e07\u0e32\u0e15\u0e48\u0e32\u0e07\u0e08\u0e32\u0e01\u0e40\u0e14\u0e34\u0e21\u0e40\u0e25\u0e47\u0e01\u0e19\u0e49\u0e2d\u0e22\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u0e17\u0e33\u0e44\u0e21\u0e23\u0e32\u0e04\u0e32\u0e2d\u0e25\u0e39\u0e21\u0e34\u0e40\u0e19\u0e35\u0e22\u0e21\u0e2a\u0e35\u0e1e\u0e48\u0e19 Powder Coating \u0e41\u0e15\u0e48\u0e25\u0e30\u0e40\u0e08\u0e49\u0e32\u0e16\u0e36\u0e07\u0e15\u0e48\u0e32\u0e07\u0e01\u0e31\u0e19?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u0e04\u0e27\u0e32\u0e21\u0e15\u0e48\u0e32\u0e07\u0e2a\u0e48\u0e27\u0e19\u0e43\u0e2b\u0e0d\u0e48\u0e2d\u0e22\u0e39\u0e48\u0e17\u0e35\u0e48\u0e40\u0e01\u0e23\u0e14\u0e02\u0e2d\u0e07\u0e1c\u0e07\u0e2a\u0e35\u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e2b\u0e19\u0e32\u0e02\u0e2d\u0e07\u0e40\u0e2a\u0e49\u0e19\u0e2d\u0e25\u0e39\u0e21\u0e34\u0e40\u0e19\u0e35\u0e22\u0e21 SGQ \u0e40\u0e19\u0e49\u0e19\u0e04\u0e27\u0e32\u0e21\u0e2b\u0e19\u0e32\u0e21\u0e32\u0e15\u0e23\u0e10\u0e32\u0e19 1.2\u20131.5 \u0e21\u0e21. \u0e41\u0e25\u0e30\u0e2a\u0e35\u0e40\u0e01\u0e23\u0e14\u0e2a\u0e39\u0e07 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