{"id":1307,"date":"2025-05-26T13:50:06","date_gmt":"2025-05-26T13:50:06","guid":{"rendered":"https:\/\/tengyiplastic.com\/?p=1307"},"modified":"2025-05-27T15:50:31","modified_gmt":"2025-05-27T15:50:31","slug":"understanding-pom-plastics-acetal-delrin-pom-c-and-pom-h-compared","status":"publish","type":"post","link":"https:\/\/tengyiplastic.com\/id\/understanding-pom-plastics-acetal-delrin-pom-c-and-pom-h-compared\/","title":{"rendered":"Understanding POM Plastics: Acetal, Delrin, POM-C and POM-H Compared"},"content":{"rendered":"<h1 class=\"wp-block-heading\">Understanding POM Plastics: Acetal, Delrin, POM-C and POM-H Compared<\/h1>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"900\" src=\"http:\/\/tengyiplastic.com\/wp-content\/uploads\/2025\/05\/pom-sheet-pom-rod-stock-warehouse..jpg\" alt=\"Black and white POM sheets and pom rods stacked in warehouse\" class=\"wp-image-1267\"\/><figcaption class=\"wp-element-caption\">POM sheet and pom rod inventory in various sizes, ready for dispatch<\/figcaption><\/figure>\n\n\n\n<p>When researching engineering plastics, it's common to come across terms like <strong>Acetal<\/strong>, <strong>POM<\/strong>, <strong>Delrin<\/strong>, <strong>POM-C<\/strong>dan <strong>POM-H<\/strong>\u2014often used interchangeably. However, they\u2019re not all the same. While these materials are closely related, each refers to a specific type or grade of <strong>polyoxymethylene (POM)<\/strong>, a high-performance thermoplastic known for its excellent strength, low friction, and dimensional stability. Understanding the differences between these terms is crucial when selecting the right material for machining parts, bearings, gears, or other precision applications. In this guide, we break down what sets <strong>Acetal homopolymer (POM-H)<\/strong> apart from <strong>copolymer (POM-C)<\/strong>, explain how <strong>Delrin<\/strong> fits into the picture, and help you choose the most suitable material for your project.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What\u2019s the Difference Between Acetal and POM?<\/h2>\n\n\n\n<p>In the world of engineering plastics, you\u2019ll often see the terms <strong>Acetal<\/strong> dan <strong>POM<\/strong> used interchangeably. But are they really the same thing?<\/p>\n\n\n\n<p><strong>The short answer is yes \u2014 but with a few technical nuances.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Acetal = POM<\/h3>\n\n\n\n<p><strong>Acetal<\/strong> is the common name for <strong>Overwhelmed by material choices? Discover the unique properties and applications of POM sheets\/POM Rods that make them essential for your next project. (POM)<\/strong>, a thermoplastic material known for its high strength, stiffness, low friction, and excellent dimensional stability. When someone refers to \u201cacetal plastic,\u201d they are almost always talking about POM in a general sense.<\/p>\n\n\n\n<p>So, <strong>acetal and POM refer to the same family of materials<\/strong>. The term \u201cacetal\u201d is more common in the U.S., especially in trade and manufacturing circles, while \u201cPOM\u201d is often used in technical datasheets, engineering documentation, and international markets.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Two Main Types of Acetal \/ POM, POM-C and POM-H<\/h2>\n\n\n\n<p>There are two types of POM materials:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Homopolymer Acetal (POM-H)<\/strong> \u2013 Brand example: Delrin\u00ae<\/li>\n\n\n\n<li><strong>Copolymer Acetal (POM-C)<\/strong> \u2013 Brands include Celcon\u00ae, Kepital\u00ae, Ultraform\u00ae<\/li>\n<\/ul>\n\n\n\n<p>These two versions share many properties but differ in chemical structure, thermal stability, and resistance to certain environments. Homopolymer acetal typically has slightly better mechanical strength, while copolymer acetal offers better resistance to moisture and chemicals.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Acetal vs. POM: When the Terms Matter<\/h2>\n\n\n\n<p>In everyday use, the two terms may seem interchangeable. But when it comes to <strong>rekayasa presisi<\/strong>, <strong>product design<\/strong>, or <strong>regulatory compliance<\/strong>, it\u2019s important to know exactly which type of POM (acetal) you\u2019re working with.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>If a datasheet says \u201cacetal copolymer,\u201d it usually refers to POM-C.<\/strong><\/li>\n\n\n\n<li><strong>If the label says \u201cDelrin,\u201d you\u2019re likely dealing with POM-H.<\/strong><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quick Summary Table of ACETAL, POM and DERLIN<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Term<\/th><th>Also Known As<\/th><th>Material Type<\/th><th>Notes<\/th><\/tr><\/thead><tbody><tr><td>Acetal<\/td><td>General name for POM<\/td><td>POM-C or POM-H<\/td><td>Common term in manufacturing<\/td><\/tr><tr><td>POM<\/td><td>Polyoxymethylene<\/td><td>Generic family name<\/td><td>Used in engineering specs<\/td><\/tr><tr><td>Delrin<\/td><td>POM-H<\/td><td>Homopolymer acetal<\/td><td>DuPont brand, higher strength<\/td><\/tr><tr><td>Acetal Copolymer<\/td><td>POM-C<\/td><td>Copolymer acetal<\/td><td>More chemical-resistant<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Kesimpulan<\/h2>\n\n\n\n<p>Choosing between <strong>Acetal, Delrin, POM-C, and POM-H<\/strong> depends on the specific demands of your application\u2014whether it\u2019s tight dimensional control, chemical resistance, or mechanical strength. While all of these materials belong to the <strong>POM (polyoxymethylene)<\/strong> family, the differences between <strong>homopolymer and copolymer<\/strong>, or between <strong>Delrin and standard acetal<\/strong>, can significantly impact performance and processing.<\/p>\n\n\n\n<p>At <strong>Plastik Tengyi<\/strong>, we specialize in supplying high-quality <strong>POM sheets<\/strong> dan <strong>POM rods<\/strong> from China. With years of experience in the industry, we help customers worldwide select the right engineering plastic for their technical needs\u2014reliably and efficiently. Whether you need precision-machined components or raw material in bulk, our team is here to support your project with expert advice and competitive pricing.<\/p>\n\n\n\n<p>Feel free to get in touch with us to find the best POM solution for your application.<\/p>","protected":false},"excerpt":{"rendered":"<p>When researching engineering plastics, it's common to come across terms like Acetal, POM, Delrin, POM-C, and POM-H\u2014often used interchangeably. <\/p>","protected":false},"author":1,"featured_media":1267,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[72],"tags":[75,76,68,69,71],"class_list":["post-1307","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-all-about-pom","tag-delrin","tag-pom-h","tag-pom","tag-acetal","tag-polyoxymethylene"],"yoast_head":"<!-- This site is optimized with the Yoast SEO 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