{"id":519,"date":"2026-04-04T05:34:47","date_gmt":"2026-04-04T05:34:47","guid":{"rendered":"https:\/\/hxcnc.com\/?page_id=519"},"modified":"2026-05-14T06:49:58","modified_gmt":"2026-05-14T06:49:58","slug":"ptfe-cnc-machined-parts","status":"publish","type":"page","link":"https:\/\/hxcnc.com\/ro\/ptfe-cnc-machined-parts\/","title":{"rendered":"Piese prelucrate CNC din PTFE"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"519\" class=\"elementor elementor-519\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-915462a e-con-full e-flex e-con e-parent\" data-id=\"915462a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1af2383 elementor-widget elementor-widget-html\" data-id=\"1af2383\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!-- PTFE CNC Machined Parts \u2014 8 Product Lines -->\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Roboto:wght@300;400;500;700;900&family=Roboto+Condensed:wght@400;700;900&family=Roboto+Mono:wght@400;500&display=swap\" rel=\"stylesheet\">\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@graph\":[\n{\"@type\":\"ItemList\",\"name\":\"PTFE CNC Machined Parts \u2014 8 Product Lines\",\"numberOfItems\":8,\"itemListElement\":[\n{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Gasket\",\"description\":\"PTFE flat gasket; face flatness \u00b10.05mm; thickness tolerance \u00b10.05mm; chemical inert pH 0\u201314.\"},\n{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Sealing Ring\",\"description\":\"PTFE sealing ring and O-ring backup ring; profile \u00b10.05mm; Ra \u22640.4\u03bcm sealing face.\"},\n{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Valve Seat\",\"description\":\"PTFE ball valve seat; bore H8; seating face Ra \u22640.4\u03bcm; temperature -200\u00b0C to +260\u00b0C.\"},\n{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Insulating Gasket\",\"description\":\"PTFE electrical insulating gasket; CTI &gt;600V; thickness \u00b10.05mm; chemical inert.\"},\n{\"@type\":\"ListItem\",\"position\":5,\"name\":\"Sliding Washer\",\"description\":\"PTFE sliding washer and thrust pad; CoF 0.04\u20130.10 (lowest of all solids); thickness \u00b10.05mm.\"},\n{\"@type\":\"ListItem\",\"position\":6,\"name\":\"Chemical Corrosion-Resistant Part\",\"description\":\"PTFE chemical equipment component; pH 0\u201314; -200\u00b0C to +260\u00b0C; profile to drawing \u00b10.1mm.\"},\n{\"@type\":\"ListItem\",\"position\":7,\"name\":\"Low-Friction Guide Part\",\"description\":\"PTFE guide strip and bearing liner; CoF 0.04\u20130.10 dry; Ra \u22640.4\u03bcm sliding surface.\"},\n{\"@type\":\"ListItem\",\"position\":8,\"name\":\"Valve Seal Part\",\"description\":\"PTFE valve seal packing and stem seal; bore H8; Ra \u22640.4\u03bcm bore; chemical resistant.\"}\n]},\n{\"@type\":\"FAQPage\",\"mainEntity\":[\n{\"@type\":\"Question\",\"name\":\"What makes PTFE unique as a machined plastic?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"PTFE (polytetrafluoroethylene) has unique properties unmatched by any other material: lowest coefficient of friction of all solid materials (CoF 0.04\u20130.10 against steel, dry \u2014 lower than oil-lubricated steel on steel); widest service temperature range of common engineering plastics (-200\u00b0C to +260\u00b0C continuous); chemical inertness to virtually all chemicals including hydrofluoric acid, aqua regia, and all organic solvents (only alkali metals and fluorinating agents attack PTFE); and outstanding electrical insulation (dielectric strength 24 kV\/mm, CTI &gt;600V). PTFE is specified where these extreme properties are required \u2014 not as a general-purpose alternative to POM or nylon. Key machining limitation: PTFE is extremely soft and has very high cold flow (creep) \u2014 it deforms under sustained pressure at room temperature. PTFE gaskets and seals must be designed with adequate constraining geometry to prevent extrusion under compressive load.\"}},\n{\"@type\":\"Question\",\"name\":\"What tolerances can you achieve on PTFE machined parts?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"PTFE is one of the most difficult engineering plastics to machine to tight tolerances due to its softness, high thermal expansion (135\u00d710\u207b\u2076\/\u00b0C \u2014 over 11\u00d7 steel), and tendency to cold-flow (creep) under machining forces. Achievable tolerances: bore H8\/H9 (H7 possible but difficult to maintain consistently due to thermal expansion and cold flow); profile \u00b10.1mm standard; face flatness \u00b10.05mm for gaskets and seating surfaces (requires very sharp tooling and no cutting pressure); seating face Ra \u22640.4\u03bcm by fine turning with sharp diamond-tipped or carbide tooling; thickness tolerance \u00b10.05mm for gaskets. Filled PTFE (glass-filled, carbon-filled, bronze-filled) is significantly easier to machine to tight tolerances because the filler restrains cold flow and improves stiffness \u2014 filled PTFE is specified where tighter tolerances are required or where better creep resistance is needed for sustained-load sealing applications.\"}},\n{\"@type\":\"Question\",\"name\":\"What PTFE grades and fillers do you use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Virgin PTFE (unfilled): highest purity and chemical resistance \u2014 used for pharmaceutical, food-contact, and aggressive chemical applications requiring FDA or USP compliance. All chemical resistance and electrical insulation properties apply to virgin grade. Glass-filled PTFE (15\u201325% glass): improved stiffness (2.5\u00d7 higher), better creep resistance, improved wear resistance \u2014 used for valve seats, sealing rings, and guide strips where unfilled PTFE would cold-flow excessively. Loses some chemical resistance (glass fibre attacked by HF). Carbon-filled PTFE (15\u201325% carbon): antistatic, improved compressive strength and wear resistance \u2014 for bearing liners and guide strips in applications where PTFE wear debris could cause static ignition issues. Bronze-filled PTFE (40\u201360% bronze): best wear resistance and thermal conductivity \u2014 for heavy-load bearing applications; loses all chemical resistance and electrical insulation properties of virgin PTFE.\"}},\n{\"@type\":\"Question\",\"name\":\"What is MOQ and lead time for PTFE parts?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"MOQ 1 piece. PTFE machines slowly compared to metals due to its softness requiring very low cutting forces and speeds to avoid deformation. Lead times: simple flat parts (gaskets, washers): 3\u20137 working days. Turned parts (sealing rings, valve seats, bushings): 5\u201310 working days. Complex profiles: 7\u201314 working days. Virgin, glass-filled, carbon-filled, and bronze-filled PTFE available from stock in rod, tube, and sheet form. All PTFE parts bagged in clean polyethylene packaging \u2014 PTFE surfaces should not be touched without gloves as skin oils reduce adhesion of PTFE to mating surfaces in some sealing applications.\"}}\n]},\n{\"@type\":\"Product\",\"name\":\"PTFE CNC Machined Parts\",\"description\":\"Custom CNC machined PTFE parts: gaskets, sealing rings, valve seats, insulating gaskets, sliding washers, chemical-resistant parts, low-friction guide parts, and valve seal parts. Virgin, glass-filled, carbon-filled, and bronze-filled PTFE. pH 0\u201314 chemical resistance, -200\u00b0C to +260\u00b0C service temperature, CoF 0.04\u20130.10. ISO 9001:2015. MOQ 1 piece.\",\n\"aggregateRating\":{\"@type\":\"AggregateRating\",\"ratingValue\":\"4.9\",\"reviewCount\":\"98\",\"bestRating\":\"5\"}}\n]}\n<\/script>\n<style>\n\/* CSS method 31: scoped gradient-accent utilities *\/\n.PTF{--bg:#F7F9FC;--wh:#FFF;--lt:#EEF3F8;--tx:#1F2937;--tx1:#5B6777;--tx2:#9CA8B4;--bd:#D7E0EA;\n  --a:#2563EB;--a2:#1D4ED8;--aA:rgba(37,99,235,.08);--aB:rgba(37,99,235,.15);--aC:rgba(37,99,235,.22);\n  --p:#0369A1;--pA:rgba(3,105,161,.09);--pC:rgba(3,105,161,.24);\n  --fh:'Roboto Condensed',sans-serif;--fb:'Roboto',sans-serif;--fm:'Roboto Mono',monospace;}\n.PTF,.PTF *,.PTF *::before,.PTF *::after{box-sizing:border-box;margin:0;padding:0;}\n.PTF{font-family:var(--fb);background:var(--bg);color:var(--tx);line-height:1.6;overflow-x:hidden;}\n.PTF img{display:block;width:100%;height:100%;object-fit:cover;}\n.PTF a{text-decoration:none;color:inherit;}\n.PTF .w{max-width:1300px;margin:0 auto;padding-inline:28px;}\n@media(max-width:640px){.PTF 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var(--pC);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-family:var(--fm);font-size:12px;font-weight:700;color:var(--p);transition:all .25s;}\n.PTF .fi.op .fq .fqico{background:var(--p);color:#fff;border-color:var(--p);}\n.PTF .fi .fq .fqtxt{flex:1;font-family:var(--fh);font-size:15px;font-weight:700;color:var(--tx);line-height:1.3;}\n.PTF .fi .fq .farr{font-size:13px;color:var(--tx2);transition:transform .25s;flex-shrink:0;}\n.PTF .fi.op .fq .farr{transform:rotate(180deg);color:var(--p);}\n.PTF .fi .fans{max-height:0;overflow:hidden;transition:max-height .35s ease;}\n.PTF .fi .fans .inner{padding:0 20px 16px 64px;font-size:13px;color:var(--tx1);line-height:1.78;}\n.PTF .fi.op .fans{max-height:500px;}\n.PTF .faq .fnote{text-align:center;font-family:var(--fm);font-size:11px;color:var(--tx2);margin-top:16px;}\n\/* CTA *\/\n.PTF .cta{position:relative;padding-block:112px;overflow:hidden;}\n.PTF .cta .cbg{position:absolute;inset:0;}\n.PTF .cta .cbg 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p{font-size:15px;color:rgba(255,255,255,.78);line-height:1.8;margin-bottom:32px;}\n.PTF .cta .cbtns{display:flex;gap:12px;flex-wrap:wrap;}\n.PTF .cta .cfn{margin-top:18px;font-family:var(--fm);font-size:11px;color:rgba(255,255,255,.42);}\n.PTF .clist{display:flex;flex-direction:column;gap:12px;}\n.PTF .clist .ci{display:flex;align-items:flex-start;gap:14px;padding:16px 18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:14px;backdrop-filter:blur(4px);transition:background .2s;}\n.PTF .clist .ci:hover{background:rgba(255,255,255,.13);}\n.PTF .clist .ci .cico{width:36px;height:36px;border-radius:8px;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;}\n.PTF .clist .ci .ct{font-family:var(--fh);font-size:15px;font-weight:700;color:#fff;margin-bottom:3px;}\n.PTF .clist .ci .cd{font-size:12px;color:rgba(255,255,255,.7);line-height:1.6;}\n<\/style>\n\n<div class=\"PTF\">\n<div class=\"bc\"><div class=\"w\"><div class=\"row\"><a href=\"\/\">Home<\/a><span style=\"color:var(--bd);margin:0 4px;\">\/<\/span><a href=\"\/products\/\">Products<\/a><span style=\"color:var(--bd);margin:0 4px;\">\/<\/span><span style=\"color:var(--tx);font-weight:500;\">PTFE CNC Machined Parts<\/span><\/div><\/div><\/div>\n\n<!-- HERO -->\n<section class=\"hero\"><div class=\"w\"><div class=\"hg\">\n<div class=\"hl\">\n  <div class=\"kicker\"><div class=\"badge\">Product Category<\/div><span style=\"font-family:var(--fm);font-size:10px;color:var(--tx2);letter-spacing:2px;\">PTF \u2014 8 Product Lines<\/span><\/div>\n  <h1>PTFE CNC<br>Machined<br><em>Parts<\/em><\/h1>\n  <p class=\"sub\">8 product lines in virgin PTFE, glass-filled, carbon-filled, and bronze-filled PTFE \u2014 gaskets, sealing rings, valve seats, insulating gaskets, sliding washers, chemical-resistant parts, low-friction guide parts, and valve seals. CoF 0.04\u20130.10 \u00b7 pH 0\u201314 \u00b7 -200\u00b0C to +260\u00b0C.<\/p>\n  <!-- friction comparison table \u2014 unique hero element -->\n  <div class=\"ftbl\">\n    <div class=\"ft-t\">Friction Coefficient Comparison (Dry, vs Steel)<\/div>\n    <div class=\"fr fhd\"><div class=\"fc fh\">Material<\/div><div class=\"fc fh\">CoF Dry<\/div><div class=\"fc fh\">Notes<\/div><\/div>\n    <div class=\"fr\"><div class=\"fc hi\">PTFE<\/div><div class=\"fc hi\">0.04\u20130.10 \u25c0<\/div><div class=\"fc hi\">Lowest of all solids<\/div><\/div>\n    <div class=\"fr\"><div class=\"fc\">POM Delrin<\/div><div class=\"fc\">0.20\u20130.35<\/div><div class=\"fc\">Good dry running<\/div><\/div>\n    <div class=\"fr\"><div class=\"fc\">Nylon PA6<\/div><div class=\"fc\">0.25\u20130.45<\/div><div class=\"fc\">Self-lubricating<\/div><\/div>\n    <div class=\"fr\"><div class=\"fc\">Steel\/Steel (dry)<\/div><div class=\"fc\">0.50\u20130.80<\/div><div class=\"fc\">Needs lubrication<\/div><\/div>\n  <\/div>\n  <div class=\"btns\"><a href=\"#ptfquote\" class=\"btn btn-f\">Request Quotation \u2192<\/a><a href=\"#ptfquote\" class=\"btn btn-r\">Send Drawing<\/a><\/div>\n<\/div>\n<div class=\"hr\">\n  <div class=\"ic\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/PTFE-CNC-Machined-Parts.webp\" alt=\"PTFE Gasket Sealing Ring Valve Seat Chemical CNC\"><\/div>\n  <div class=\"sc\"><div class=\"sv\">0.04<\/div><div class=\"sl\">CoF (lowest)<\/div><\/div>\n  <div class=\"ic\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/ptfe.jpg\" alt=\"PTFE Chemical Corrosion Resistant Part Guide Insulating CNC\"><\/div>\n  <div class=\"sc\"><div class=\"sv\">pH 0\u201314<\/div><div class=\"sl\">Chem. Resist.<\/div><\/div>\n<\/div>\n<\/div><\/div><\/section>\n\n<!-- BAND -->\n<div class=\"band\">\n  <div class=\"bc\"><div class=\"bv\">8<\/div><div class=\"bl\">Product Lines<\/div><\/div>\n  <div class=\"bc\"><div class=\"bv\">0.04\u20130.10<\/div><div class=\"bl\">CoF (lowest solid)<\/div><\/div>\n  <div class=\"bc\"><div class=\"bv\">pH 0\u201314<\/div><div class=\"bl\">Chem. Resistance<\/div><\/div>\n  <div class=\"bc\"><div class=\"bv\">\u2212200 to +260<sup>\u00b0C<\/sup><\/div><div class=\"bl\">Service Temp<\/div><\/div>\n<\/div>\n<div class=\"tick\"><div class=\"track\">\n  <span class=\"item\">PTFE Gasket <span class=\"gem\">\u2726<\/span><\/span><span class=\"item\">Sealing Ring <span class=\"gem\">\u2726<\/span><\/span><span class=\"item\">Valve Seat <span class=\"gem\">\u2726<\/span><\/span><span class=\"item\">Insulating Gasket <span class=\"gem\">\u2726<\/span><\/span><span class=\"item\">Sliding Washer <span class=\"gem\">\u2726<\/span><\/span><span class=\"item\">Chemical Resistant Part <span class=\"gem\">\u2726<\/span><\/span><span class=\"item\">Low-Friction Guide <span class=\"gem\">\u2726<\/span><\/span><span class=\"item\">Valve Seal <span class=\"gem\">\u2726<\/span><\/span>\n  <span class=\"item\">PTFE Gasket <span class=\"gem\">\u2726<\/span><\/span><span class=\"item\">Sealing Ring <span class=\"gem\">\u2726<\/span><\/span><span class=\"item\">Valve Seat <span class=\"gem\">\u2726<\/span><\/span><span class=\"item\">Insulating Gasket <span class=\"gem\">\u2726<\/span><\/span><span class=\"item\">Sliding Washer <span class=\"gem\">\u2726<\/span><\/span><span class=\"item\">Chemical Resistant Part <span class=\"gem\">\u2726<\/span><\/span><span class=\"item\">Low-Friction Guide <span class=\"gem\">\u2726<\/span><\/span><span class=\"item\">Valve Seal <span class=\"gem\">\u2726<\/span><\/span>\n<\/div><\/div>\n\n<!-- PRODUCTS -->\n<section class=\"prod sec\" style=\"background:var(--bg);\"><div class=\"w\">\n  <div class=\"ph\">\n    <div class=\"ey\">Full Product Range<\/div>\n    <h2 class=\"h2\">8 PTFE Parts \u2014 <span class=\"p\">Sealing, Chemical Resistance &amp; Low Friction<\/span><\/h2>\n    <p class=\"pn\">Virgin PTFE \u00b7 Glass-Filled \u00b7 Carbon-Filled \u00b7 Bronze-Filled \u00b7 pH 0\u201314 \u00b7 -200\u00b0C to +260\u00b0C \u00b7 MOQ 1 piece<\/p>\n  <\/div>\n  <div class=\"pgrid\">\n    <div class=\"pcard wide\">\n      <div class=\"pi L\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/PTFE-CNC-Machined-Parts.webp\" alt=\"PTFE Gasket Sealing Ring Valve Seat Virgin Glass-Filled pH 0-14 Chemical CNC\"><div class=\"pid\" style=\"color:var(--p);\">PTF-001\/002\/003<\/div><\/div>\n      <div class=\"pb\">\n        <div class=\"cat\">SEALING \/ 001\u2013003 \u2014 FEATURED<\/div>\n        <div class=\"nm\">Gaskets, Sealing Rings &amp; Valve Seats<\/div>\n        <div class=\"dsc\">Virgin PTFE flat gaskets (\u00b10.05mm face flatness, \u00b10.05mm thickness, chemical inert pH 0\u201314 \u2014 the widest chemical resistance of any gasket material), PTFE sealing rings and O-ring backup rings (profile \u00b10.05mm, sealing face Ra \u22640.4\u03bcm, prevents O-ring extrusion in high-pressure dynamic applications), and PTFE ball valve seats (bore H8, seating face Ra \u22640.4\u03bcm, -200\u00b0C to +260\u00b0C service temperature \u2014 PTFE valve seats are standard in ball valves because PTFE's low friction enables quarter-turn operation without galling the ball surface). Glass-filled PTFE (15% GF) for valve seats in high-pressure applications where unfilled PTFE would cold-flow \u2014 glass filler improves creep resistance at sustained compressive load. All sealing parts in virgin PTFE for food-contact applications (FDA 21 CFR 177.1550 compliant).<\/div>\n        <div class=\"tags\"><span class=\"chip chip-p\">Virgin PTFE pH 0\u201314<\/span><span class=\"chip chip-p\">Face \u00b10.05mm<\/span><span class=\"chip chip-p\">-200\u00b0C to +260\u00b0C<\/span><span class=\"chip chip-n\">FDA 21 CFR 177.1550<\/span><\/div>\n        <div class=\"ft\"><span class=\"mat\">Virgin PTFE \u00b7 PTFE GF15 \u00b7 PTFE GF25<\/span><span class=\"cl\">Get Quote<\/span><\/div>\n      <\/div>\n    <\/div>\n    <div class=\"pcard\">\n      <div class=\"pi S\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Insulating-Gaskets.jpg\" alt=\"PTFE Insulating Gasket CTI 600V Electrical Chemical CNC\"><div class=\"pid\" style=\"color:var(--p);\">PTF-004<\/div><\/div>\n      <div class=\"pb\"><div class=\"cat\">INSULATION \/ 004<\/div><div class=\"nm\">Insulating Gaskets<\/div><div class=\"dsc\">Virgin PTFE electrical insulating gaskets. CTI &gt;600V (highest of common engineering plastics). Thickness \u00b10.05mm; dielectric strength 24 kV\/mm. Chemical inert \u2014 safe in corrosive electrical environments (battery acid, chlorine gas, etc.) where other insulating materials would degrade.<\/div><div class=\"tags\"><span class=\"chip chip-p\">CTI &gt;600V<\/span><span class=\"chip chip-n\">24 kV\/mm<\/span><\/div><div class=\"ft\"><span class=\"mat\">Virgin PTFE<\/span><span class=\"cl\">Get Quote<\/span><\/div><\/div>\n    <\/div>\n    <div class=\"pcard\">\n      <div class=\"pi S\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Sliding-Washers-scaled.webp\" alt=\"PTFE Sliding Washer Thrust Pad CoF 0.04 Lowest Friction CNC\"><div class=\"pid\" style=\"color:var(--p);\">PTF-005<\/div><\/div>\n      <div class=\"pb\"><div class=\"cat\">FRICTION \/ 005<\/div><div class=\"nm\">Sliding Washers<\/div><div class=\"dsc\">PTFE sliding washers and thrust pads. CoF 0.04\u20130.10 against steel dry \u2014 lowest friction coefficient of all solid materials. Thickness \u00b10.05mm. Used between rotating and fixed components where zero lubrication and minimum friction are required. Bronze-filled PTFE for high-load thrust applications \u2014 better wear resistance at high PV.<\/div><div class=\"tags\"><span class=\"chip chip-p\">CoF 0.04 (lowest)<\/span><span class=\"chip chip-n\">Bronze-filled option<\/span><\/div><div class=\"ft\"><span class=\"mat\">Virgin PTFE \u00b7 PTFE Bronze<\/span><span class=\"cl\">Get Quote<\/span><\/div><\/div>\n    <\/div>\n    <div class=\"pcard\">\n      <div class=\"pi S\"><img decoding=\"async\" src=\"https:\/\/hxcnc.com\/wp-content\/uploads\/2026\/04\/Chemical-Resistant-Parts.jpg\" alt=\"PTFE Chemical Corrosion Resistant Part Equipment Profile CNC\"><div class=\"pid\" style=\"color:var(--p);\">PTF-006<\/div><\/div>\n      <div class=\"pb\"><div class=\"cat\">CHEMICAL \/ 006<\/div><div class=\"nm\">Chemical Resistant Parts<\/div><div class=\"dsc\">Virgin PTFE chemical equipment components for applications in HF, HCl, H\u2082SO\u2084, HNO\u2083, aqua regia, and all organic solvents \u2014 environments where no metal or other plastic survives. Profile \u00b10.1mm; temperature -200\u00b0C to +260\u00b0C. Fittings, nozzle tips, impeller blades, and custom profiles to drawing.<\/div><div class=\"tags\"><span class=\"chip chip-p\">HF \/ aqua regia resistant<\/span><\/div><div class=\"ft\"><span class=\"mat\">Virgin PTFE<\/span><span class=\"cl\">Get Quote<\/span><\/div><\/div>\n    <\/div>\n  <\/div>\n<\/div><\/section>\n\n<!-- CAP -->\n<section class=\"cap sec\" style=\"background:var(--wh);\"><div class=\"w\">\n  <div class=\"ey\">Manufacturing Capability<\/div>\n  <h2 class=\"h2\">What PTFE Machining Requires<br><span class=\"a\">Unique Techniques<\/span><\/h2>\n  <div class=\"cg\">\n    <div class=\"cc\" data-n=\"01\"><div class=\"ico\">\u2744<\/div><div class=\"ttl\">Cold Flow Management<\/div><div class=\"dsc\">PTFE has high creep (cold flow) \u2014 it deforms under sustained compressive pressure at room temperature. Gaskets and valve seats must have constraining geometry (metal retainer ring or housing groove) to prevent PTFE extrusion under sealing load. Glass-filled PTFE (GF15\u2013GF25) has significantly better creep resistance \u2014 specified for high-pressure sealing applications where unfilled PTFE would extrude from the seal groove.<\/div><div class=\"specs\"><span class=\"sp\">GF15\/GF25 for high-press<\/span><\/div><\/div>\n    <div class=\"cc\" data-n=\"02\"><div class=\"ico\">\ud83d\udd2a<\/div><div class=\"ttl\">Sharp Tooling \u2014 No Cutting Force<\/div><div class=\"dsc\">PTFE is extremely soft and deforms under cutting force rather than shearing cleanly. We use extremely sharp carbide tooling with high rake angles, very high cutting speed, and no coolant (coolant can contaminate PTFE surfaces in sealing applications). Very light finishing passes produce the Ra \u22640.4\u03bcm sealing face surface. Worn tooling produces torn, rough PTFE surfaces that do not seal properly.<\/div><div class=\"specs\"><span class=\"sp\">Sharp carbide<\/span><span class=\"sp\">No coolant<\/span><\/div><\/div>\n    <div class=\"cc\" data-n=\"03\"><div class=\"ico\">\ud83e\udde4<\/div><div class=\"ttl\">Clean Handling \u2014 No Skin Oil<\/div><div class=\"dsc\">PTFE surfaces must not be touched without gloves \u2014 skin oils reduce adhesion and contaminate PTFE sealing faces in critical valve and chemical applications. We handle all PTFE parts with powder-free gloves during machining and packaging. All PTFE parts bagged in clean polyethylene packaging and labelled with handling instructions. Clean handling is not optional for sealing applications.<\/div><div class=\"specs\"><span class=\"sp\">Gloved handling<\/span><span class=\"sp\">PE bag packed<\/span><\/div><\/div>\n  <\/div>\n<\/div><\/section>\n\n<!-- TOL -->\n<section class=\"tol sec\" style=\"background:var(--lt);\"><div class=\"w\">\n  <div class=\"ey\">Precision Specifications<\/div>\n  <h2 class=\"h2\">Tolerances &amp; Grade Reference \u2014 <span class=\"p\">PTFE Parts<\/span><\/h2>\n  <div class=\"cols\">\n    <div class=\"dp\">\n      <div class=\"dh\"><div class=\"dico\">\ud83d\udcd0<\/div><div class=\"dttl\">Tolerances by Feature<\/div><\/div>\n      <div id=\"ptfTolRows\">\n        <div class=\"tr\"><div class=\"tl\">Gasket Thickness<\/div><div class=\"bw\"><div class=\"fill\" style=\"width:0;\" data-w=\"82%\"><\/div><\/div><div class=\"vl\">\u00b10.05 mm<\/div><\/div>\n        <div class=\"tr\"><div class=\"tl\">Face Flatness<\/div><div class=\"bw\"><div class=\"fill\" style=\"width:0;\" data-w=\"82%\"><\/div><\/div><div class=\"vl\">\u00b10.05 mm<\/div><\/div>\n        <div class=\"tr\"><div class=\"tl\">Bore<\/div><div class=\"bw\"><div class=\"fill\" style=\"width:0;\" data-w=\"85%\"><\/div><\/div><div class=\"vl\">H8<\/div><\/div>\n        <div class=\"tr\"><div class=\"tl\">Sealing Face Ra<\/div><div class=\"bw\"><div class=\"fill\" style=\"width:0;\" data-w=\"80%\"><\/div><\/div><div class=\"vl\">Ra \u22640.4 \u03bcm<\/div><\/div>\n        <div class=\"tr\"><div class=\"tl\">Profile<\/div><div class=\"bw\"><div class=\"fill\" style=\"width:0;\" data-w=\"76%\"><\/div><\/div><div class=\"vl\">\u00b10.1 mm<\/div><\/div>\n      <\/div>\n    <\/div>\n    <div class=\"dp\">\n      <div class=\"dh\"><div class=\"dico\">\u2699<\/div><div class=\"dttl\">Grade Reference<\/div><\/div>\n      <div class=\"sg\">\n        <div class=\"sc\"><div class=\"lbl\">Friction CoF<\/div><div class=\"val\">0.04\u20130.10<\/div><div class=\"note\">Lowest of all solid materials. No lubrication required. Sliding washers and guide strips.<\/div><\/div>\n        <div class=\"sc\"><div class=\"lbl\">Temp. Range<\/div><div class=\"val\" style=\"font-size:16px;\">\u2212200 to +260\u00b0C<\/div><div class=\"note\">Widest service temp of common engineering plastics. Cryogenic and high-temp sealing.<\/div><\/div>\n        <div class=\"sc\"><div class=\"lbl\">Chem. Resistance<\/div><div class=\"val\" style=\"font-size:16px;\">pH 0\u201314<\/div><div class=\"note\">Resistant to virtually all chemicals including HF and aqua regia. Only alkali metals attack PTFE.<\/div><\/div>\n        <div class=\"sc\"><div class=\"lbl\">Electrical CTI<\/div><div class=\"val\">&gt;600<sup>V<\/sup><\/div><div class=\"note\">Highest CTI of common engineering plastics. Dielectric strength 24 kV\/mm.<\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/div><\/section>\n\n<!-- WHY -->\n<section class=\"why sec\" style=\"background:var(--wh);\"><div class=\"w\">\n  <div class=\"ey\">Our Advantage<\/div>\n  <h2 class=\"h2\">Why Engineers Choose Our <span class=\"p\">PTFE Parts<\/span><\/h2>\n  <div class=\"wg\">\n    <div class=\"wc\"><div class=\"big\">GF<\/div><div class=\"ttl\">GF25 for High-Pressure Sealing<\/div><div class=\"dsc\">We specify glass-filled PTFE (GF15\/GF25) for valve seats and seal rings in high-pressure applications \u2014 not unfilled virgin PTFE which cold-flows out of the seal groove above 20 bar. GF significantly improves creep resistance while maintaining adequate chemical resistance for most process fluids.<\/div><\/div>\n    <div class=\"wc\"><div class=\"big\">\ud83e\udde4<\/div><div class=\"ttl\">Gloved Handling \u2014 Sealing Face Integrity<\/div><div class=\"dsc\">All PTFE sealing parts handled with powder-free gloves throughout machining and packaging. Skin oil contamination on PTFE valve seats and gasket faces reduces sealing effectiveness. We label all PTFE sealing parts with handling instructions and bag in clean PE packaging.<\/div><\/div>\n    <div class=\"wc\"><div class=\"big\">FDA<\/div><div class=\"ttl\">Virgin PTFE FDA 21 CFR 177.1550<\/div><div class=\"dsc\">Virgin PTFE complies with FDA 21 CFR 177.1550 for food-contact applications. We specify virgin grade for all food\/pharma sealing applications \u2014 filled grades may contain non-FDA-approved fillers. USP Class VI extraction testing data available on request for pharmaceutical applications.<\/div><\/div>\n    <div class=\"wc\"><div class=\"big\">HF<\/div><div class=\"ttl\">Only Material for HF Service<\/div><div class=\"dsc\">Hydrofluoric acid attacks most metals and some plastics \u2014 PTFE is the standard material for HF seals, gaskets, and valve seats in semiconductor and chemical processing. Where a customer asks for a HF-compatible sealing material, virgin PTFE is the answer. We confirm chemical compatibility at DFM for all chemical service applications.<\/div><\/div>\n  <\/div>\n<\/div><\/section>\n\n<!-- FAQ -->\n<section class=\"faq sec\" style=\"background:var(--lt);\" id=\"ptf-faq\"><div class=\"w\">\n  <div class=\"ey\">Frequently Asked Questions<\/div>\n  <h2 class=\"h2\">PTFE Parts \u2014 <span class=\"p\">Common Questions<\/span><\/h2>\n  <div class=\"fg\">\n    <div class=\"fi\"><button class=\"fq\" onclick=\"ptfFaq(this)\"><span class=\"fqico\">Q<\/span><span class=\"fqtxt\">What makes PTFE unique as a machined plastic?<\/span><span class=\"farr\">\u25bc<\/span><\/button><div class=\"fans\"><div class=\"inner\"><strong>Lowest friction of all solid materials<\/strong> (CoF 0.04\u20130.10 dry \u2014 no lubrication needed); <strong>widest service temperature<\/strong> (-200\u00b0C to +260\u00b0C); <strong>chemical inertness to pH 0\u201314<\/strong> including HF and aqua regia (only alkali metals and fluorinating agents attack PTFE); <strong>CTI &gt;600V<\/strong> electrical insulation; <strong>FDA 21 CFR 177.1550<\/strong> food-contact compliance. Limitation: very soft with high cold flow (creep under sustained pressure) \u2014 constraining geometry required for sealing applications.<\/div><\/div><\/div>\n    <div class=\"fi\"><button class=\"fq\" onclick=\"ptfFaq(this)\"><span class=\"fqico\">Q<\/span><span class=\"fqtxt\">What PTFE grades and fillers do you use?<\/span><span class=\"farr\">\u25bc<\/span><\/button><div class=\"fans\"><div class=\"inner\"><strong>Virgin PTFE<\/strong>: highest purity, FDA\/USP, all chemical resistance \u2014 seals, gaskets, food-contact. <strong>PTFE GF15\/GF25<\/strong>: glass-filled, 2.5\u00d7 better creep resistance \u2014 high-pressure valve seats and seal rings. <strong>PTFE CF25<\/strong>: carbon-filled, antistatic \u2014 guide strips in explosive\/cleanroom environments. <strong>PTFE Bronze<\/strong>: best wear resistance and thermal conductivity \u2014 heavy-load thrust washers and bearings (loses chemical resistance).<\/div><\/div><\/div>\n    <div class=\"fi\"><button class=\"fq\" onclick=\"ptfFaq(this)\"><span class=\"fqico\">Q<\/span><span class=\"fqtxt\">What tolerances can you achieve on PTFE parts?<\/span><span class=\"farr\">\u25bc<\/span><\/button><div class=\"fans\"><div class=\"inner\">Gasket thickness: <strong>\u00b10.05mm<\/strong>. Face flatness: <strong>\u00b10.05mm<\/strong>. Bore: <strong>H8<\/strong>. Sealing face: <strong>Ra \u22640.4\u03bcm<\/strong>. Profile: <strong>\u00b10.1mm<\/strong>. PTFE is soft with high thermal expansion (135\u00d710\u207b\u2076\/\u00b0C) \u2014 tighter tolerances than these are difficult to maintain consistently. Glass-filled PTFE achieves tighter tolerances than virgin grade due to reduced cold flow.<\/div><\/div><\/div>\n    <div class=\"fi\"><button class=\"fq\" onclick=\"ptfFaq(this)\"><span class=\"fqico\">Q<\/span><span class=\"fqtxt\">What is MOQ and lead time?<\/span><span class=\"farr\">\u25bc<\/span><\/button><div class=\"fans\"><div class=\"inner\">MOQ: <strong>1 piece<\/strong>. Lead times: flat parts (gaskets, washers): <strong>3\u20137 days<\/strong>. Turned parts (sealing rings, valve seats): <strong>5\u201310 days<\/strong>. All grades in stock. <strong>All PTFE parts handled with gloves and bagged in clean PE packaging<\/strong> \u2014 do not touch PTFE sealing surfaces without gloves before installation.<\/div><\/div><\/div>\n  <\/div>\n  <p class=\"fnote\">Structured data embedded \u00b7 Eligible for Google FAQ rich results<\/p>\n<\/div><\/section>\n<\/div>\n<script>\n(function(){\n  var done=false;var bars=document.querySelectorAll('.PTF .tr .fill');\n  function anim(){if(done)return;var el=document.getElementById('ptfTolRows');\n    if(el&&el.getBoundingClientRect().top<window.innerHeight-60){done=true;\n      bars.forEach(function(b,i){setTimeout(function(){b.style.width=b.getAttribute('data-w')||'80%';},i*80);});}}\n  window.addEventListener('scroll',anim,{passive:true});anim();\n})();\nfunction ptfFaq(btn){var item=btn.parentElement;var open=item.classList.contains('op');\n  document.querySelectorAll('.PTF .fi.op').forEach(function(el){el.classList.remove('op');});\n  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MOQ 1 piece.<\/p>\n\n  <!-- Stats row -->\n  <div class=\"stats\">\n    <div class=\"stat\">\n      <div class=\"sv\">24<small>hr<\/small><\/div>\n      <div class=\"sl\">Quote Response<\/div>\n    <\/div>\n    <div class=\"stat\">\n      <div class=\"sv\">MOQ <small>1<\/small><\/div>\n      <div class=\"sl\">Prototypes OK<\/div>\n    <\/div>\n    <div class=\"stat\">\n      <div class=\"sv\">ISO<\/div>\n      <div class=\"sl\">9001:2015<\/div>\n    <\/div>\n  <\/div>\n\n  <!-- Advantage list -->\n  <div class=\"avlist\">\n    <div class=\"avitem\">\n      <div class=\"ico\">&#128208;<\/div>\n      <div>\n        <div class=\"at\">DFM Review on Every Enquiry<\/div>\n        <div class=\"ad\">Tolerance feasibility, fixturing strategy, and material confirmation. Specific, actionable feedback \u2014 not generic pushback.<\/div>\n      <\/div>\n    <\/div>\n    <div class=\"avitem\">\n      <div class=\"ico\">&#127919;<\/div>\n      <div>\n        <div class=\"at\">First Article Inspection \u2014 Standard<\/div>\n        <div class=\"ad\">FAI report on every new run. Material certs and surface treatment certs included with every shipment.<\/div>\n      <\/div>\n    <\/div>\n    <div class=\"avitem\">\n      <div class=\"ico\">&#128260;<\/div>\n      <div>\n        <div class=\"at\">Same Process: Prototype to Production<\/div>\n        <div class=\"ad\">Process plan from your prototype applies to production batches. No re-qualification when you scale.<\/div>\n      <\/div>\n    <\/div>\n    <div class=\"avitem\">\n      <div class=\"ico\">&#9881;<\/div>\n      <div>\n        <div class=\"at\">3 \/ 4 \/ 5-Axis CNC + Turning<\/div>\n        <div class=\"ad\">Complex structural parts, shafts, housings, and transmission components. Metals and engineering plastics.<\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <!-- Cert tags -->\n  <div class=\"certs\">\n    <span class=\"cert hi\">ISO 9001:2015<\/span>\n    <span class=\"cert\">3\/4\/5-Axis Milling<\/span>\n    <span class=\"cert\">CNC Turning<\/span>\n    <span class=\"cert\">CMM Inspection<\/span>\n    <span class=\"cert\">Global Delivery<\/span>\n  <\/div>\n\n<\/div>\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6a47fff e-con-full e-flex e-con e-child\" data-id=\"6a47fff\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3a85135c elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"3a85135c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" aria-label=\"New Form\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"519\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"3a85135c\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"PTFE CNC Machined Parts | Teflon Components | HXCNC\" \/>\n\n\t\t\t\t\t\t\t<input type=\"hidden\" name=\"queried_id\" value=\"519\"\/>\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-above\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tName\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Name\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-field_12786b6 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_12786b6\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tCompany\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[field_12786b6]\" id=\"form-field-field_12786b6\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Company Name\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tEmail\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Email\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-select elementor-field-group elementor-column elementor-field-group-field_0c79fc0 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_0c79fc0\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tMaterial\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field elementor-select-wrapper remove-before \">\n\t\t\t<div class=\"select-caret-down-wrapper\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-caret-down\" viewBox=\"0 0 571.4 571.4\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M571 393Q571 407 561 418L311 668Q300 679 286 679T261 668L11 418Q0 407 0 393T11 368 36 357H536Q550 357 561 368T571 393Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t<select name=\"form_fields[field_0c79fc0]\" id=\"form-field-field_0c79fc0\" class=\"elementor-field-textual elementor-size-sm\">\n\t\t\t\t\t\t\t\t\t<option value=\"aluminium_6061_t6\">Aluminium 6061-T6<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"aluminium_7075_t6\">Aluminium 7075-T6<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"stainless_steel_304\">Stainless Steel 304<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"stainless_steel_316l\">Stainless Steel 316L<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"carbon_steel_4140\">Carbon Steel \/ 4140<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"titanium_ti_6al_4v\">Titanium Ti-6Al-4V<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"brass_c360\">Brass C360<\/option>\n\t\t\t\t\t\t\t\t\t<option 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viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M504 256C504 119 393 8 256 8S8 119 8 256s111 248 248 248 248-111 248-248zm-448 0c0-110.5 89.5-200 200-200s200 89.5 200 200-89.5 200-200 200S56 366.5 56 256zm72 20v-40c0-6.6 5.4-12 12-12h116v-67c0-10.7 12.9-16 20.5-8.5l99 99c4.7 4.7 4.7 12.3 0 17l-99 99c-7.6 7.6-20.5 2.2-20.5-8.5v-67H140c-6.6 0-12-5.4-12-12z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Submit Enquiry<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Home\/Products\/PTFE CNC Machined Parts Product CategoryPTF \u2014 8 Product Lines PTFE CNCMachinedParts 8 product lines in virgin PTFE, glass-filled, carbon-filled, and bronze-filled PTFE \u2014 gaskets, sealing rings, valve seats, insulating gaskets, sliding washers, chemical-resistant parts, low-friction guide parts, and valve seals. CoF 0.04\u20130.10 \u00b7 pH 0\u201314 \u00b7 -200\u00b0C to +260\u00b0C. Friction Coefficient Comparison (Dry, vs [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-519","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>PTFE CNC Machined Parts | Teflon Components | HXCNC<\/title>\n<meta name=\"description\" content=\"Precision CNC machined PTFE (Teflon) parts for chemical resistance and low friction. 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