{"id":19008,"date":"2026-04-27T10:49:11","date_gmt":"2026-04-27T02:49:11","guid":{"rendered":"https:\/\/www.aokaifilters.com\/?p=19008"},"modified":"2026-06-15T14:54:45","modified_gmt":"2026-06-15T06:54:45","slug":"filter-bag-material-comparison","status":"publish","type":"post","link":"https:\/\/www.aokaifilters.com\/tr\/filter-bag-material-comparison\/","title":{"rendered":"Polyester vs. PPS vs. PTFE Filter Bags: Which Filter Material Is Best?"},"content":{"rendered":"<p data-path-to-node=\"7\"><strong>Filter bag material comparison<\/strong><span>\u00a0is essential when selecting dust collector filter bags for industrial applications. Polyester, PPS and PTFE filter bags have different temperature resistance, chemical resistance, cost levels and suitable working conditions. Choosing the wrong filter bag material may lead to frequent bag replacement, higher pressure drop, lower filtration efficiency and unexpected downtime.<\/span><\/p>\n<h3 data-path-to-node=\"8\">1. Polyester Filter Bags: The Versatile Workhorse<\/h3>\n<p data-path-to-node=\"9\">Polyester is the most common choice for room-temperature applications. It offers excellent dimensional stability and good abrasion resistance.<\/p>\n<ul data-path-to-node=\"10\">\n<li>\n<p data-path-to-node=\"10,0,0\"><b data-path-to-node=\"10,0,0\" data-index-in-node=\"0\">Max Temperature:<\/b> <span class=\"math-inline\" data-math=\"135^\\circ\\text{C}\" data-index-in-node=\"17\">130\u2103.<\/span><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"10,1,0\"><b data-path-to-node=\"10,1,0\" data-index-in-node=\"0\">Best For:<\/b> Woodworking, food processing, and cement plants (dry conditions).<\/p>\n<\/li>\n<li>\n<figure id=\"attachment_9788\" aria-describedby=\"caption-attachment-9788\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9788\" src=\"https:\/\/www.aokaifilters.com\/wp-content\/uploads\/2023\/09\/polyester-filter-bag-2.jpg\" alt=\"Polyester filter bag material for dry dust collection\" width=\"800\" height=\"533\" title=\"\" srcset=\"https:\/\/www.aokaifilters.com\/wp-content\/uploads\/2023\/09\/polyester-filter-bag-2.jpg 2000w, https:\/\/www.aokaifilters.com\/wp-content\/uploads\/2023\/09\/polyester-filter-bag-2-600x400.jpg 600w, https:\/\/www.aokaifilters.com\/wp-content\/uploads\/2023\/09\/polyester-filter-bag-2-300x200.jpg 300w, https:\/\/www.aokaifilters.com\/wp-content\/uploads\/2023\/09\/polyester-filter-bag-2-1024x682.jpg 1024w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-9788\" class=\"wp-caption-text\">Polyester filter bag material for dry dust collection<\/figcaption><\/figure>\n<p data-path-to-node=\"10,2,0\"><b data-path-to-node=\"10,2,0\" data-index-in-node=\"0\">Weakness:<\/b> Sensitive to <b data-path-to-node=\"10,2,0\" data-index-in-node=\"23\">hydrolysis<\/b> (moisture + heat). If there is steam in your gas stream, polyester will degrade quickly.<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"11\">2. PPS Filter Bags: The Acid &amp; Heat Specialist<\/h3>\n<p data-path-to-node=\"12\"><b data-path-to-node=\"12\" data-index-in-node=\"0\">PPS (Polyphenylene Sulfide) filter bags<\/b> are the gold standard for coal-fired boilers and waste-to-energy plants.<\/p>\n<ul data-path-to-node=\"13\">\n<li>\n<p data-path-to-node=\"13,0,0\"><b data-path-to-node=\"13,0,0\" data-index-in-node=\"0\">Max Temperature:<\/b> <span class=\"math-inline\" data-math=\"190^\\circ\\text{C}\" data-index-in-node=\"17\">190\u2103.<\/span><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"13,1,0\"><b data-path-to-node=\"13,1,0\" data-index-in-node=\"0\">Best For:<\/b> High-sulfur environments where acid corrosion is a threat. PPS has excellent chemical resistance to acids and alkalis.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"13,2,0\"><b data-path-to-node=\"13,2,0\" data-index-in-node=\"0\">Pro Tip:<\/b> PPS is sensitive to high oxygen levels (<span class=\"math-inline\" data-math=\"&gt;15\\%\" data-index-in-node=\"49\" style=\"font-family: 'Google Sans Text', sans-serif !important; line-height: 1.15 !important; margin-top: 0px !important;\">&gt;15%<\/span>). If your process has high 02 concentrations, it may oxidize and become brittle.<\/p>\n<figure id=\"attachment_11536\" aria-describedby=\"caption-attachment-11536\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-11536\" src=\"https:\/\/www.aokaifilters.com\/wp-content\/uploads\/2023\/12\/PPS-Filter-Bags.jpg\" alt=\"PPS filter bag material for acidic flue gas filtration\" width=\"800\" height=\"533\" title=\"\" srcset=\"https:\/\/www.aokaifilters.com\/wp-content\/uploads\/2023\/12\/PPS-Filter-Bags.jpg 900w, https:\/\/www.aokaifilters.com\/wp-content\/uploads\/2023\/12\/PPS-Filter-Bags-600x400.jpg 600w, https:\/\/www.aokaifilters.com\/wp-content\/uploads\/2023\/12\/PPS-Filter-Bags-300x200.jpg 300w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-11536\" class=\"wp-caption-text\">PPS filter bag material for acidic flue gas filtration<\/figcaption><\/figure><\/li>\n<\/ul>\n<h3 data-path-to-node=\"14\">3. PTFE Filter Bags: The Ultimate Protection<\/h3>\n<p data-path-to-node=\"15\"><b data-path-to-node=\"15\" data-index-in-node=\"0\">PTFE (Polytetrafluoroethylene) filter bags<\/b>, also known as Teflon bags, are the premium solution for the harshest environments.<\/p>\n<ul data-path-to-node=\"16\">\n<li>\n<p data-path-to-node=\"16,0,0\"><b data-path-to-node=\"16,0,0\" data-index-in-node=\"0\">Max Temperature:<\/b> <span class=\"math-inline\" data-math=\"260^\\circ\\text{C}\" data-index-in-node=\"17\">260\u2103<\/span>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"16,1,0\"><b data-path-to-node=\"16,1,0\" data-index-in-node=\"0\">Best For:<\/b> Incineration, chemical manufacturing, and carbon black production.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"16,2,0\"><b data-path-to-node=\"16,2,0\" data-index-in-node=\"0\">Key Advantage:<\/b> PTFE is virtually chemically inert. It features the best non-stick properties, making it ideal for &#8220;sticky&#8221; dust that causes blinding in other materials.<\/p>\n<figure id=\"attachment_11538\" aria-describedby=\"caption-attachment-11538\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-11538\" src=\"https:\/\/www.aokaifilters.com\/wp-content\/uploads\/2023\/12\/PTFE-Filter-Bags.jpg\" alt=\"PTFE filter bag material for high temperature chemical filtration\" width=\"800\" height=\"533\" title=\"\" srcset=\"https:\/\/www.aokaifilters.com\/wp-content\/uploads\/2023\/12\/PTFE-Filter-Bags.jpg 900w, https:\/\/www.aokaifilters.com\/wp-content\/uploads\/2023\/12\/PTFE-Filter-Bags-600x400.jpg 600w, https:\/\/www.aokaifilters.com\/wp-content\/uploads\/2023\/12\/PTFE-Filter-Bags-300x200.jpg 300w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-11538\" class=\"wp-caption-text\">PTFE filter bag material for high temperature chemical filtration<\/figcaption><\/figure><\/li>\n<\/ul>\n<h3 data-path-to-node=\"17\">Comparison Table<\/h3>\n<table data-path-to-node=\"18\">\n<thead>\n<tr>\n<td><strong>Feature<\/strong><\/td>\n<td><strong>Polyester<\/strong><\/td>\n<td><strong>PPS<\/strong><\/td>\n<td><strong>PTFE<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"18,1,0,0\"><b data-path-to-node=\"18,1,0,0\" data-index-in-node=\"0\">Heat Resistance<\/b><\/span><\/td>\n<td><span data-path-to-node=\"18,1,1,0\">Moderate (<span class=\"math-inline\" data-math=\"135^\\circ\\text{C}\" data-index-in-node=\"10\">$135^\\circ\\text{C}$<\/span>)<\/span><\/td>\n<td><span data-path-to-node=\"18,1,2,0\">High (<span class=\"math-inline\" data-math=\"190^\\circ\\text{C}\" data-index-in-node=\"6\">$190^\\circ\\text{C}$<\/span>)<\/span><\/td>\n<td><span data-path-to-node=\"18,1,3,0\">Extreme (<span class=\"math-inline\" data-math=\"260^\\circ\\text{C}\" data-index-in-node=\"9\">$260^\\circ\\text{C}$<\/span>)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"18,2,0,0\"><b data-path-to-node=\"18,2,0,0\" data-index-in-node=\"0\">Asit Direnci<\/b><\/span><\/td>\n<td><span data-path-to-node=\"18,2,1,0\">Adil<\/span><\/td>\n<td><span data-path-to-node=\"18,2,2,0\">M\u00fckemmel<\/span><\/td>\n<td><span data-path-to-node=\"18,2,3,0\">Superior<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"18,3,0,0\"><b data-path-to-node=\"18,3,0,0\" data-index-in-node=\"0\">Alkali Direnci<\/b><\/span><\/td>\n<td><span data-path-to-node=\"18,3,1,0\">Adil<\/span><\/td>\n<td><span data-path-to-node=\"18,3,2,0\">M\u00fckemmel<\/span><\/td>\n<td><span data-path-to-node=\"18,3,3,0\">Superior<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"18,4,0,0\"><b data-path-to-node=\"18,4,0,0\" data-index-in-node=\"0\">Hidroliz Direnci<\/b><\/span><\/td>\n<td><span data-path-to-node=\"18,4,1,0\">Zay\u0131f<\/span><\/td>\n<td><span data-path-to-node=\"18,4,2,0\">\u00c7ok iyi<\/span><\/td>\n<td><span data-path-to-node=\"18,4,3,0\">Superior<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"18,5,0,0\"><b data-path-to-node=\"18,5,0,0\" data-index-in-node=\"0\">Cost<\/b><\/span><\/td>\n<td><span data-path-to-node=\"18,5,1,0\">$<\/span><\/td>\n<td><span data-path-to-node=\"18,5,2,0\">$$<\/span><\/td>\n<td><span data-path-to-node=\"18,5,3,0\">$$$<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-path-to-node=\"19\">Conclusion: Which should you choose?<\/h3>\n<ul>\n<li data-path-to-node=\"20,0,0\">Choose <b data-path-to-node=\"20,0,0\" data-index-in-node=\"7\">Polyester<\/b> if you are on a budget and working in dry, low-temp conditions.<\/li>\n<li data-path-to-node=\"20,1,0\">Choose <a href=\"https:\/\/www.aokaifilters.com\/tr\/pps-filter-bag\/\"><b data-path-to-node=\"20,1,0\" data-index-in-node=\"7\">PPS filter bags<\/b><\/a> for heavy-duty boiler applications with acidic flue gas.<\/li>\n<li data-path-to-node=\"20,2,0\">Choose <a href=\"https:\/\/www.aokaifilters.com\/tr\/ptfe-dust-filter-bags\/\"><b data-path-to-node=\"20,2,0\" data-index-in-node=\"7\">PTFE filter bags<\/b><\/a> if you face extreme temperatures or highly aggressive chemicals where nothing else survives.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Filter bag material comparison\u00a0is essential when selecting dust collector filter bags for industrial applications. Polyester, PPS and PTFE filter bags have different temperature resistance, chemical resistance, cost levels and suitable working conditions. Choosing the wrong filter bag material may lead to frequent bag replacement, higher pressure drop, lower filtration efficiency and unexpected downtime. 1. Polyester&#8230;<\/p>","protected":false},"author":3,"featured_media":11538,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36],"tags":[158],"class_list":["post-19008","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-filter-media","tag-filter-media"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.aokaifilters.com\/tr\/wp-json\/wp\/v2\/posts\/19008","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.aokaifilters.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.aokaifilters.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.aokaifilters.com\/tr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.aokaifilters.com\/tr\/wp-json\/wp\/v2\/comments?post=19008"}],"version-history":[{"count":4,"href":"https:\/\/www.aokaifilters.com\/tr\/wp-json\/wp\/v2\/posts\/19008\/revisions"}],"predecessor-version":[{"id":19528,"href":"https:\/\/www.aokaifilters.com\/tr\/wp-json\/wp\/v2\/posts\/19008\/revisions\/19528"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.aokaifilters.com\/tr\/wp-json\/wp\/v2\/media\/11538"}],"wp:attachment":[{"href":"https:\/\/www.aokaifilters.com\/tr\/wp-json\/wp\/v2\/media?parent=19008"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.aokaifilters.com\/tr\/wp-json\/wp\/v2\/categories?post=19008"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.aokaifilters.com\/tr\/wp-json\/wp\/v2\/tags?post=19008"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}