{"id":40005,"date":"2025-09-30T13:09:25","date_gmt":"2025-09-30T11:09:25","guid":{"rendered":"https:\/\/winkle.shop\/blog\/?p=40005"},"modified":"2026-04-16T08:20:38","modified_gmt":"2026-04-16T06:20:38","slug":"petg-vs-pla-what-is-the-difference","status":"publish","type":"post","link":"https:\/\/winkle.shop\/blog\/en\/petg-vs-pla-what-is-the-difference\/","title":{"rendered":"PETG vs. PLA. What is the difference?"},"content":{"rendered":"<p>Which filament is better for 3D printing?  <strong>PETG vs. PLA.<\/strong><br \/>\n<strong>PETG and PLA filaments are thermoplastics<\/strong>. They are among the most important filaments in the world of 3D printing, each with its own specific characteristics and applications.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-28938\" src=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-300x300.png\" alt=\"Arrow icon\" width=\"27\" height=\"27\" srcset=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-300x300.png 300w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-150x150.png 150w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-768x768.png 768w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16.png 1024w\" sizes=\"auto, (max-width: 27px) 100vw, 27px\" \/><strong>PLA<\/strong> (<strong>Polylactic Acid<\/strong>) is biodegradable. PLA is a material known for being very simple to print thanks to its low printing and bed temperature requirements.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-28938\" src=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-300x300.png\" alt=\"Arrow icon\" width=\"27\" height=\"27\" srcset=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-300x300.png 300w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-150x150.png 150w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-768x768.png 768w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16.png 1024w\" sizes=\"auto, (max-width: 27px) 100vw, 27px\" \/><strong>PETG<\/strong>, or <strong>Polyethylene Terephthalate Glycol<\/strong>, is an oil-based polymer, which means it is not biodegradable like PLA. This material is stronger and has better layer adhesion than PLA.<\/p>\n<p>Both materials, <strong>PLA vs PETG<\/strong>, have <strong>impact resistance<\/strong> and are among the best known in the 3D world, for beginners and experts alike. <strong>They share some characteristics!<\/strong><\/p>\n<ul>\n<li>They are the most widely used because they are easy to print.<\/li>\n<li>They belong to the polyester plastics group; they are thermoplastics.<\/li>\n<li>Available in 1.75 mm and 2.85 mm diameters.<\/li>\n<li>Both materials can be printed on an open printer.<\/li>\n<li>At Winkle we have them available in a wide range of colours.<\/li>\n<\/ul>\n<p>Despite their similarities, these materials are very different from one another. So what makes each of them unique? How do they differ? When would you use PLA or PETG? Let&#8217;s compare them and give you recommendations to help you <strong>choose between PETG and PLA<\/strong>.<\/p>\n<p><strong>Step into the world of 3D filaments with Winkle!<\/strong> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-28914\" src=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/icono-300x300.png\" alt=\"Winkle spool icon\" width=\"23\" height=\"23\" srcset=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/icono-300x300.png 300w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/icono-150x150.png 150w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/icono-768x768.png 768w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/icono.png 1024w\" sizes=\"auto, (max-width: 23px) 100vw, 23px\" \/><\/p>\n<h2><\/h2>\n<h2>PETG vs. PLA materials<\/h2>\n<p><strong>PETG<\/strong> (<strong>Polyethylene Terephthalate Glycol<\/strong>) and <strong>PLA<\/strong> (<strong>Polylactic Acid<\/strong>) are two types of thermoplastic filament that stand out for their ease of use and good mechanical properties; both have impact resistance. However, they have important differences that make them better suited to different applications.<br \/>\nWhich material is better for printing: PETG or PLA?<\/p>\n<h3>PETG composition<\/h3>\n<p>PETG is a variant of PET (Polyethylene Terephthalate), a polymer commonly used in plastic bottles and other packaging. \u27a1\ufe0eAdding glycol during manufacture improves the material&#8217;s durability and impact resistance, as well as reducing its brittleness.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-28938\" src=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-300x300.png\" alt=\"Arrow icon\" width=\"27\" height=\"27\" srcset=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-300x300.png 300w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-150x150.png 150w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-768x768.png 768w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16.png 1024w\" sizes=\"auto, (max-width: 27px) 100vw, 27px\" \/>Base material: polyethylene terephthalate.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-28938\" src=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-300x300.png\" alt=\"Arrow icon\" width=\"27\" height=\"27\" srcset=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-300x300.png 300w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-150x150.png 150w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-768x768.png 768w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16.png 1024w\" sizes=\"auto, (max-width: 27px) 100vw, 27px\" \/>Main additive: glycol, which improves impact resistance and makes processing easier.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-28938\" src=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-300x300.png\" alt=\"Arrow icon\" width=\"27\" height=\"27\" srcset=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-300x300.png 300w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-150x150.png 150w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-768x768.png 768w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16.png 1024w\" sizes=\"auto, (max-width: 27px) 100vw, 27px\" \/>Manufacturing process: filament extrusion with added glycol to modify the mechanical and thermal properties.<\/p>\n<h3>PLA composition<\/h3>\n<p>PLA is a polymer derived from renewable resources such as corn starch or sugar cane. Additives are included to increase its mechanical and thermal resistance.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-28938\" src=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-300x300.png\" alt=\"Arrow icon\" width=\"27\" height=\"27\" srcset=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-300x300.png 300w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-150x150.png 150w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-768x768.png 768w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16.png 1024w\" sizes=\"auto, (max-width: 27px) 100vw, 27px\" \/>Base material: polylactic acid, a biodegradable polymer.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-28938\" src=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-300x300.png\" alt=\"Arrow icon\" width=\"27\" height=\"27\" srcset=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-300x300.png 300w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-150x150.png 150w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-768x768.png 768w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16.png 1024w\" sizes=\"auto, (max-width: 27px) 100vw, 27px\" \/>Additives: improved nucleating agents and plasticisers to enhance durability and flexibility.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-28938\" src=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-300x300.png\" alt=\"Arrow icon\" width=\"27\" height=\"27\" srcset=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-300x300.png 300w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-150x150.png 150w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16-768x768.png 768w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/08\/ChatGPT-Image-22-ago-2025-09_56_16.png 1024w\" sizes=\"auto, (max-width: 27px) 100vw, 27px\" \/>Manufacturing process: polymerisation of lactic acid followed by extrusion with additives to increase strength.<\/p>\n<p>&nbsp;<\/p>\n<h2>PETG vs. PLA properties and characteristics<\/h2>\n<p>Let&#8217;s look at the properties that are key to correct 3D printing so you can choose the thermoplastic filament that best fits your needs.<br \/>\nBear in mind that at Winkle we also have other <a href=\"https:\/\/winkle.shop\/blog\/en\/filament-types-for-3d-printers\/\" target=\"_blank\" rel=\"noopener\">types of filament for 3D printers<\/a>.<\/p>\n<p><strong>PETG properties<\/strong><br \/>\nPETG filament is known for its excellent combination of physical and chemical properties, which makes it very versatile.<\/p>\n<ul>\n<li><strong>Printing temperature<\/strong>: between 220 \u00b0C and 240 \u00b0C.<\/li>\n<li><strong>Bed temperature<\/strong>: between 60 \u00b0C and 80 \u00b0C.<\/li>\n<li><strong>Mechanical strength<\/strong>: high, with excellent impact and flexural resistance.<\/li>\n<li><strong>Chemical resistance<\/strong>: good, it holds up well against acids and alkalis.<\/li>\n<li><strong>Heat resistance<\/strong>: moderate, it withstands up to 80 \u00b0C without deforming.<\/li>\n<li><strong>Transparency<\/strong>: good, available in opaque, crystal and transparent versions.<\/li>\n<\/ul>\n<h3>PLA properties<\/h3>\n<p>PLA stands out for being easy to print and for its durability. It is the most popular filament on the market for decorative or display pieces.<\/p>\n<ul>\n<li><strong>Printing temperature<\/strong>: between 190 \u00b0C and 230 \u00b0C.<\/li>\n<li><strong>Bed temperature<\/strong>: between 50 \u00b0C and 70 \u00b0C.<\/li>\n<li><strong>Mechanical strength<\/strong>: moderate, particularly in terms of hardness and impact resistance.<\/li>\n<li><strong>Chemical resistance<\/strong>: low, susceptible to solvents and strong alkalis.<\/li>\n<li><strong>Heat resistance<\/strong>: low to moderate, it withstands up to 60 \u00b0C before it starts to deform.<\/li>\n<li><strong>Biodegradability<\/strong>: high, derived from renewable materials.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-29011 size-large\" src=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/09\/propiedades_PLA-1024x485.webp\" alt=\"Banner with the properties of PLA vs PETG\" width=\"800\" height=\"379\" srcset=\"https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/09\/propiedades_PLA-1024x485.webp 1024w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/09\/propiedades_PLA-300x142.webp 300w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/09\/propiedades_PLA-768x364.webp 768w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/09\/propiedades_PLA-1536x728.webp 1536w, https:\/\/winkle.shop\/blog\/wp-content\/uploads\/2025\/09\/propiedades_PLA.webp 1540w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h2><\/h2>\n<h2>PETG vs PLA applications and uses<\/h2>\n<p>Both PETG and PLA have impact resistance and are used in the food, automotive and textile industries and in the manufacture of decorative pieces, but each material has the edge in different areas.<\/p>\n<h3>PETG applications<\/h3>\n<ul>\n<li>PETG is ideal for <strong>rapid prototyping and manufacturing tools and accessories<\/strong>, allowing efficient design validation and optimisation of production processes before final materials are used.<\/li>\n<li>PETG is better suited to parts that require more heat resistance and strength than PLA<\/li>\n<li>PETG is used for<strong> outdoor parts<\/strong> and those that need to be tougher.<\/li>\n<li>PETG is ideal for <strong>parts that need to withstand chemicals<\/strong>.<\/li>\n<li>PETG is widely used in applications that call for durable, impact-resistant parts. Some of its applications include:<\/li>\n<li><strong>Mechanical components:<\/strong> ideal for parts that need to withstand mechanical loads without breaking and to cope with the elements.<\/li>\n<li><strong>Packaging and bottles:<\/strong> its chemical resistance and transparency make it suitable for food and chemical containers.<\/li>\n<li>Functional prototypes: useful for creating prototypes that have to be handled and physically tested.<\/li>\n<\/ul>\n<h3>PLA applications<\/h3>\n<ul>\n<li>The PLA used for medical implants is a medical-grade variant, manufactured under strict quality and purity controls and with specific properties.<\/li>\n<li>PLA is better for <strong>detailed projects<\/strong> that can be post-processed.<\/li>\n<li>PLA is a better option than PETG where appearance is concerned. More complex, detailed parts can be printed.<\/li>\n<li>PLA is the most popular material on the 3D printing market and comes in a huge range of colours, variants and finishes.<\/li>\n<li>PLA is mainly used in projects where ease of printing and biodegradability are the priorities. Some common applications are:<\/li>\n<li><strong>Visual prototypes:<\/strong> ideal for prototypes that will not be subject to severe mechanical loads and are intended for display.<\/li>\n<li><strong>Educational material and toys:<\/strong> its safety and biodegradability make it suitable for products aimed at children and educational settings.<\/li>\n<li><strong>Decorative pieces:<\/strong> thanks to its ease of printing, it is excellent for making attractive parts with good surface finishes.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Which filament is better for 3D printing? PETG vs. PLA. PETG and PLA filaments are thermoplastics. They are among the most important filaments in the world of 3D printing, each with its own specific characteristics and applications. PLA (Polylactic Acid) is biodegradable. PLA is a material known for being very simple to print thanks to [&hellip;]<\/p>\n","protected":false},"author":6896,"featured_media":29006,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36303],"tags":[],"class_list":["post-40005","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-comparatives"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Which filament is better for 3D printing? 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