{"id":15320,"date":"2025-11-24T10:41:50","date_gmt":"2025-11-24T10:41:50","guid":{"rendered":"https:\/\/hansaplas.com\/?p=15320"},"modified":"2025-11-24T10:42:25","modified_gmt":"2025-11-24T10:42:25","slug":"pctfe-vs-ptfe-definition-similarities-and-differences","status":"publish","type":"post","link":"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/","title":{"rendered":"PCTFE vs PTFE: Definition, Similarities, and Differences"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Are you also curious about the relationship between <a href=\"https:\/\/hansaplas.com\/ptfe-the-ultimate-guide\/\">PTFE<\/a> and PCTFE? They differ by only one letter, so what are the differences between them? Next, I will explain this from three aspects: definition, similarities, and differences. Just one letter&#8217;s difference results in different properties.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#Definition\" >Definition<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#Chemical_Structure\" >Chemical Structure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#Properties\" >Properties<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#Similarities\" >Similarities<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#Differences\" >Differences<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#The_Price_of_PCTFE_and_PTFE\" >The Price of PCTFE and PTFE<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#How_to_choose_the_most_suitable_one\" >How to choose the most suitable one?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#Chemical_Resistance\" >Chemical Resistance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#Mechanical_Strength\" >Mechanical Strength<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#High_Temperature_Resistant\" >High Temperature Resistant<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#Radiation_Resistant\" >Radiation Resistant<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#Wear_Resistance\" >Wear Resistance<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#Processability\" >Processability<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#Gas_Permeability\" >Gas Permeability<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#Usability\" >Usability<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#Conclusion\" >Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#FAQ\" >FAQ<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#Is_PCTFE_the_same_as_PTFE\" >Is PCTFE the same as PTFE?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#What_is_the_other_name_for_PCTFE\" >What is the other name for PCTFE?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#Is_PCTFE_a_thermoplastic\" >Is PCTFE a thermoplastic?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/#PCTFE_Density\" >PCTFE Density<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Definition\"><\/span><span style=\"font-weight: 400;\">Definition<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">PTFE and PCTFE are both fluoropolymers. PTFE stands for polytetrafluoroethylene, and PCTFE stands for polychlorotrifluoroethylene.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chemical_Structure\"><\/span><span style=\"font-weight: 400;\">Chemical Structure<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The chemical structural formula of PTFE is -[-CF\u2082-CF\u2082-]n-, and the chemical structural formula of PCTFE is [-CF(CL)-CF2-]n. The substitution of one fluorine atom with a chlorine atom in PTFE results in significant differences in their properties.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15321 aligncenter\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-chemical-structure.jpg\" alt=\"\" width=\"460\" height=\"345\" srcset=\"https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-chemical-structure.jpg 887w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-chemical-structure-768x576.jpg 768w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-chemical-structure-16x12.jpg 16w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15322 aligncenter\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PCTFE-chemical-structure.jpg\" alt=\"\" width=\"460\" height=\"345\" srcset=\"https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PCTFE-chemical-structure.jpg 2047w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PCTFE-chemical-structure-768x576.jpg 768w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PCTFE-chemical-structure-1536x1152.jpg 1536w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PCTFE-chemical-structure-16x12.jpg 16w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Properties\"><\/span><span style=\"font-weight: 400;\">Properties<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">Performance<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PTFE<\/span><\/td>\n<td><span style=\"font-weight: 400;\">PCTFE<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Tensile Strength<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1500~3000 psi<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(20~30 MPa)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">4860~5710 psi<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(34~39 MPa)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Flexural Modulus<\/span><\/td>\n<td><span style=\"font-weight: 400;\">72000 psi<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(495 MPa)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2000,000~243,000<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(1.4~1.7 GPa)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Melting Point\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">350\u2103(621\u2109)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">210~215\u2103(410\u2109)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Continuous Operating Temperature Range<\/span><\/td>\n<td><span style=\"font-weight: 400;\">-260\u2103~260\u2103<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(-436~500\u2109)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">-255~180\u2103<\/span><\/p>\n<p><span style=\"font-weight: 400;\">(-427~356\u2109)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Chemical Resistance<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Good<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Slightly inferior to PTFE<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Friction Coefficient<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0.03~0.05<\/span><\/td>\n<td><span style=\"font-weight: 400;\">0.25~0.35<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Color<\/span><\/td>\n<td><span style=\"font-weight: 400;\">White, non-transparent<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Milky white, subtransparent<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Processing<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Suitable for injection molding<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Not suitable for injection molding<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Characteristic<\/span><\/td>\n<td><span style=\"font-weight: 400;\">High rigidity<\/span><\/td>\n<td><span style=\"font-weight: 400;\">High chemical inertness<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Similarities\"><\/span><span style=\"font-weight: 400;\">Similarities<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">PTFE and PCTFE are both fluoropolymers, essentially plastics. They share similar properties, resisting corrosion from most chemicals, having a wide temperature range, and being resistant to low temperatures, making them suitable for aerospace applications. Both are electrically insulating and are used in high-frequency electronic devices, insulating components, and as insulation layers for wires and cables. They also possess weather resistance, capable of withstanding prolonged exposure to ultraviolet radiation.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15323 aligncenter\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-insulation-sleeving.jpg\" alt=\"\" width=\"460\" height=\"460\" srcset=\"https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-insulation-sleeving.jpg 2048w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-insulation-sleeving-150x150.jpg 150w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-insulation-sleeving-768x768.jpg 768w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-insulation-sleeving-1536x1536.jpg 1536w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-insulation-sleeving-12x12.jpg 12w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Differences\"><\/span><span style=\"font-weight: 400;\">Differences<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Although PTFE and PCTFE differ by only one letter, some of their properties are altered due to the presence of that single chlorine atom. Below, I will list some of the most significant differences between PCTFE and PTFE.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The substitution of a fluorine atom with a chlorine atom in PCTFE increases the material&#8217;s rigidity, making it harder. PCTFE also exhibits low moisture absorption and extremely low gas permeability, enhancing its mechanical strength and improving its dimensional stability. While PTFE also possesses some rigidity, its hardness is inferior to that of PCTFE, and it is more susceptible to creep under certain stress conditions.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">PCTFE&#8217;s radiation resistance is far superior to that of PTFE. PCTFE can maintain stable physical and chemical properties in extremely strong radiation environments and can withstand ionizing radiation, while PTFE has poor radiation resistance and may even disintegrate into powder after prolonged exposure.<img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15324 aligncenter\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PCTFE-Electronic-packaging-film.jpg\" alt=\"\" width=\"460\" height=\"294\" srcset=\"https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PCTFE-Electronic-packaging-film.jpg 1160w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PCTFE-Electronic-packaging-film-768x491.jpg 768w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PCTFE-Electronic-packaging-film-18x12.jpg 18w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">PTFE has extremely high chemical inertness, reacting with almost no chemical substances, and its chemical corrosion resistance far surpasses that of PCTFE. Although PCTFE also exhibits chemical resistance, its tolerance to chlorides and halogenated chemicals is far less than that of PTFE, and it is not suitable for high-temperature and strong oxidizing environments.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">PTFE also has good biocompatibility, is less likely to cause rejection reactions with human blood, and due to its low friction properties, reduces friction with human tissues. It is commonly used in the medical field to manufacture artificial blood vessels or coatings for surgical instruments.<img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15325 aligncenter\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-catheter.jpg\" alt=\"\" width=\"460\" height=\"613\" srcset=\"https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-catheter.jpg 750w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-catheter-9x12.jpg 9w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/><\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"The_Price_of_PCTFE_and_PTFE\"><\/span><span style=\"font-weight: 400;\">The Price of PCTFE and PTFE<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Both PCTFE and PTFE are fluoroplastics, but their prices differ significantly, with PCTFE being much more expensive than PTFE.\u00a0 The best quality imported PTFE from Daikin, Japan, costs approximately 158 yuan\/kg, while PCTFE costs between 70 and 900 yuan\/kg.This is the price of the raw materials. The price of PCTFE products is 1500 yuan\/kg, while the price of PTFE products is approximately 160 yuan\/kg.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_choose_the_most_suitable_one\"><\/span><span style=\"font-weight: 400;\">How to choose the most suitable one?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">After reading the above explanation of the differences between PCTFE and PTFE, are you still unsure how to choose between these two materials? Don&#8217;t worry, below I will recommend the most suitable material for you based on different properties and their applicable scenarios.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chemical_Resistance\"><\/span><span style=\"font-weight: 400;\">Chemical Resistance<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">PTFE is known as the &#8220;King of Plastics,&#8221; primarily due to its chemical inertness and superior overall properties. If you need to use it in strong acid or strong alkali environments, I recommend PTFE. Its chemical resistance far surpasses that of PCTFE, maintaining excellent chemical and physical stability for extended periods in extremely harsh environments such as strong acids and alkalis. While PCTFE also possesses chemical resistance, it can swell or even dissolve when exposed to high temperatures and halogenated organic solvents.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Mechanical_Strength\"><\/span><span style=\"font-weight: 400;\">Mechanical Strength<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">As mentioned above, PCTFE has higher mechanical strength than PTFE, better dimensional stability, and stronger creep resistance. It also maintains good toughness at low temperatures, making it suitable for precision components, low-temperature valves, and valve seats in aerospace applications. PTFE is more brittle, has poorer toughness at low temperatures, and its mechanical strength is not as high as PCTFE.Furthermore, PTFE has a high linear thermal expansion coefficient, which simply means that it expands and contracts more significantly with changes in temperature, resulting in poor dimensional stability.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"High_Temperature_Resistant\"><\/span><span style=\"font-weight: 400;\">High Temperature Resistant<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The maximum continuous operating temperature for PTFE is 260\u2103 (500\u2109), while the maximum continuous operating temperature for PCTFE is 193\u2103 (380\u2109). Therefore, if you need to use it in a high-temperature environment, it is best to choose PTFE. Furthermore, the melting point of PTFE is 350\u2103 (621\u2109), and the melting point of PCTFE is 215\u2103 (410\u2109), making PTFE safer to use. Examples of applications include industrial seals, engine oil seals, and aircraft hydraulic system seals. For everyday use, PTFE can also be used as a non-stick coating for cookware because of its non-stick properties.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15326 aligncenter\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-gasket.jpg\" alt=\"\" width=\"460\" height=\"307\" srcset=\"https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-gasket.jpg 2508w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-gasket-768x512.jpg 768w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-gasket-1536x1024.jpg 1536w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-gasket-2048x1365.jpg 2048w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-gasket-18x12.jpg 18w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Radiation_Resistant\"><\/span><span style=\"font-weight: 400;\">Radiation Resistant<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">PTFE is easily degraded under strong radiation, but PCTFE has better radiation resistance than PTFE and can be used as an electronic packaging film for spacecraft, effectively shielding against radiation and protecting electronic components; it can also be used as a flexible valve diaphragm in nuclear reactors.In daily life, it can also be used as a covering material for greenhouses.<img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15327 aligncenter\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PCTFE-greenhouse-covering-fabric.jpg\" alt=\"\" width=\"460\" height=\"273\" srcset=\"https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PCTFE-greenhouse-covering-fabric.jpg 1080w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PCTFE-greenhouse-covering-fabric-768x457.jpg 768w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PCTFE-greenhouse-covering-fabric-18x12.jpg 18w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/><\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Wear_Resistance\"><\/span><span style=\"font-weight: 400;\">Wear Resistance<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">PTFE has a lower coefficient of friction than PCTFE, only 0.03, making it more suitable for manufacturing sliding components such as bearings and bushings, for use in low-friction applications. PTFE is also biocompatible.\u00a0 These two properties combined make PTFE widely used in the medical field. It can be used as a coating for implantable medical devices such as artificial blood vessels, artificial joints, artificial heart valves, or surgical instruments, reducing friction with human organs and leading to faster patient recovery.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15328 aligncenter\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-Bearing.jpg\" alt=\"\" width=\"460\" height=\"460\" srcset=\"https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-Bearing.jpg 2048w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-Bearing-150x150.jpg 150w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-Bearing-768x768.jpg 768w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-Bearing-1536x1536.jpg 1536w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-Bearing-12x12.jpg 12w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Processability\"><\/span><span style=\"font-weight: 400;\">Processability<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">PTFE raw material is highly viscous, making it difficult to process using traditional methods. It requires a process involving cold forming, followed by high-temperature sintering, and finally cooling and shaping; it cannot be injection molded. However, PCTFE is not so complicated; it can be processed using traditional melt processing methods such as injection molding, extrusion molding, or compression molding.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Gas_Permeability\"><\/span><span style=\"font-weight: 400;\">Gas Permeability<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">PCTFE&#8217;s molecular chains contain chlorine atoms, resulting in a more compact molecular arrangement that effectively hinders gas molecule diffusion. Therefore, its gas permeability and outgassing rate are much lower than those of PTFE, making it more suitable for vacuum applications.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Usability\"><\/span><span style=\"font-weight: 400;\">Usability<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">If you are using it for general laboratory research, I recommend PTFE because it is more affordable and has a wide range of applications, making it ideal for research or for manufacturing laboratory equipment. However, if you require transparency, radiation resistance, and mechanical strength, then choose PCTFE. Although it is more expensive, it possesses properties that PTFE lacks.<img loading=\"lazy\" decoding=\"async\" class=\"wp-image-15283 aligncenter\" src=\"http:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-solution.jpg\" alt=\"\" width=\"460\" height=\"307\" srcset=\"https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-solution.jpg 1382w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-solution-768x512.jpg 768w, https:\/\/hansaplas.com\/wp-content\/uploads\/2025\/11\/PTFE-solution-18x12.jpg 18w\" sizes=\"auto, (max-width: 460px) 100vw, 460px\" \/><\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><span style=\"font-weight: 400;\">Conclusion<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The above explains the differences between PTFE and PCTFE. If you have any further questions or need to place an order, please contact us. We will respond efficiently within 7 hours. Hansa is a Chinese supplier specializing in PTFE, PCTFE, and other plastic products, with thirty years of manufacturing experience and extensive knowledge of plastic materials. We hope to answer all your questions.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQ\"><\/span><span style=\"font-weight: 400;\">FAQ<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Is_PCTFE_the_same_as_PTFE\"><\/span><span style=\"font-weight: 400;\">Is PCTFE the same as PTFE?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Not entirely. Both PCTFE and PTFE are fluoropolymers and plastics, but they have different properties. As mentioned in the text, PCTFE has better mechanical strength and radiation resistance, and is also relatively more expensive.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_is_the_other_name_for_PCTFE\"><\/span><span style=\"font-weight: 400;\">What is the other name for PCTFE?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">PCTFE stands for polychlorotrifluoroethylene, also known as chlorotrifluoroethylene homopolymer, which is an accurate description from a chemical perspective. It also has a commercial brand name, similar to Teflon (which is PTFE). The commercial brand name for PCTFE is Kel-F, which was once widely known.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Is_PCTFE_a_thermoplastic\"><\/span><span style=\"font-weight: 400;\">Is PCTFE a thermoplastic?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Yes, PCTFE is a thermoplastic. When PCTFE is heated to above its melting point of 220\u00b0C, it melts and becomes a fluid, allowing it to be processed using traditional melt processing methods such as injection molding and extrusion. It can be processed into any complex shape and is recyclable.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"PCTFE_Density\"><\/span><span style=\"font-weight: 400;\">PCTFE Density<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The density of PCTFE is 2.10-2.17 g\/cm\u00b3, and the density of PTFE is 2.14-2.20 g\/cm\u00b3.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Are you also curious about the relationship between PTFE and PCTFE? They differ by only one letter, so what are the differences between them? Next, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15329,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-15320","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PCTFE vs PTFE: Definition, Similarities, and Differences - Hansa<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hansaplas.com\/ru\/pctfe-vs-ptfe-definition-similarities-and-differences\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PCTFE vs PTFE: Definition, Similarities, and Differences - Hansa\" \/>\n<meta property=\"og:description\" content=\"Are you also curious about the relationship between PTFE and PCTFE? 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