{"product_id":"premium-high-purity-ptfe-buchner-filter-funnel-acid-alkali-resistant","title":"Premium High-Purity PTFE Buchner Filter Funnel (Acid \u0026 Alkali Resistant)","description":"\u003ch3\u003e\u003cb\u003eProduct Overview\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eEngineered for demanding laboratory vacuum filtration and trace analysis, this PTFE (Polytetrafluoroethylene) Buchner Filter Funnel offers unmatched chemical inertness, thermal stability, and mechanical durability. Designed as a superior alternative to fragile glass and chemical-sensitive plastic funnels, it is the ideal choice for handling aggressive solvents, strong acids (including Aqua Regia and HF), concentrated alkalis, and high-purity samples without contamination risks.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0739\/0563\/5555\/files\/funnel_7c5d3c62-57aa-40fd-9f97-ec981d851fbd.jpg?v=1788490760\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eKey Features \u0026amp; Benefits\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eExtreme Thermal Resistance (-196°C to +250°C):\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eCapable of continuous operation up to 250°C (482°F) and maintaining exceptional toughness and 5% elongation even in cryogenic environments down to -196°C (-320°F). Fully autoclavable for sterile applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eUniversal Chemical Inertness:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eVirtually immune to chemical attack. Resists strong acids, concentrated bases, Aqua Regia, hydrofluoric acid (HF), organic solvents, and corrosive reagents.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eUltra-Low Friction \u0026amp; Non-Stick Surface:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eFeatures an extremely low coefficient of friction and minimal surface tension. Prevents sample adhesion, minimizes fluid retention, and ensures 100% sample recovery and easy cleaning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSuperior Weathering \u0026amp; Aging Resistance:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eOffers the longest aging lifespan among plastics, maintaining structural integrity, flexibility, and performance under long-term exposure to light, oxygen, and harsh environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eUnbreakable \u0026amp; Durable Construction:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eSolid virgin PTFE design eliminates the risk of breakage, cracking, or chipping common with glass funnels, ensuring lab safety and reducing replacement costs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDetachable \/ Two-Piece Modular Design:\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eEasy to disassemble for thorough internal cleaning and complete removal of residue from the perforated filter plate.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0739\/0563\/5555\/files\/funnel_97ef54cc-b336-4b2d-8fac-68f4161dd2e5.jpg?v=1788490760\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Item\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eValue \/ Description\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100% High-Purity Virgin PTFE (Teflon)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eOperating Temperature\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-196°C to +250°C (-320°F to +482°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eDesign Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBuchner Filter Funnel \/ Straight Wall Funnel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eFilter Plate\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePerforated PTFE grid plate (Detachable \/ Modular)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eSterilization\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAutoclavable (121°C Steam Sterilization compatible)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eSurface Finish\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUltra-smooth, Hydrophobic, Non-wetting\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eApplications\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVacuum Filtration, Trace Metal Analysis, Chemical Synthesis, Pharmaceutical Quality Control\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cb\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0739\/0563\/5555\/files\/funnel.jpg?v=1788490760\" alt=\"\"\u003e\u003c\/b\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cb\u003eWhy Choose PTFE Over Glass and PP?\u003c\/b\u003e\u003c\/h3\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSafety First:\u003c\/b\u003e Eliminates glass breakage hazards in high-pressure vacuum setups or cleanroom environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eNo Contamination:\u003c\/b\u003e Hydrofluoric acid (HF) etches glass, introducing silica contamination into samples; PTFE remains 100% inert and unaffected.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eThermal Shock Immunity:\u003c\/b\u003e Unlike glass, PTFE will not shatter due to sudden temperature changes during hot filtration processes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0739\/0563\/5555\/files\/funnelMoreproductdetails.jpg?v=1788490760\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eApplications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eChemical Synthesis \u0026amp; Processing:\u003c\/b\u003e Separation of organic and inorganic precipitates with aggressive solvents.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEnvironmental \u0026amp; Water Testing:\u003c\/b\u003e Trace element analysis and airborne particle filtration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePharmaceutical \u0026amp; Biotech:\u003c\/b\u003e Cleanroom filtering, reagent purification, and crystallization recovery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePetrochemistry \u0026amp; New Energy:\u003c\/b\u003e Battery electrolyte filtering and acid wash processing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0739\/0563\/5555\/files\/funnel_b13ae499-0b77-4151-9640-8744bf4b82b7.jpg?v=1788490760\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eUsage \u0026amp; Maintenance Tips\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFilter Paper Compatibility:\u003c\/b\u003e Use with standard circular filter paper or membrane filters matching the inner diameter of the funnel bed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVacuum Setup:\u003c\/b\u003e Connect the stem to a standard vacuum flask using a rubber adapter\/stopper or tapered joint.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCleaning:\u003c\/b\u003e Wash with warm soapy water or clean with acid\/solvent baths. Avoid abrasive tools to preserve the ultra-smooth surface finish.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LinKinMFG","offers":[{"title":"PTFE Conical Funnel 52mm","offer_id":49667343581411,"sku":null,"price":22.5,"currency_code":"USD","in_stock":true},{"title":"PTFE Conical Funnel 80mm","offer_id":49667343614179,"sku":null,"price":43.0,"currency_code":"USD","in_stock":true},{"title":"PTFE Conical Funnel 105mm","offer_id":49667343646947,"sku":null,"price":52.0,"currency_code":"USD","in_stock":true},{"title":"PTFE Conical Funnel 160mm","offer_id":49667343679715,"sku":null,"price":74.0,"currency_code":"USD","in_stock":true},{"title":"PTFE Büchner Funnel 50mm","offer_id":49667347284195,"sku":null,"price":108.0,"currency_code":"USD","in_stock":true},{"title":"PTFE Büchner Funnel 60mm","offer_id":49667343712483,"sku":null,"price":112.0,"currency_code":"USD","in_stock":true},{"title":"PTFE Büchner Funnel 70mm","offer_id":49667343745251,"sku":null,"price":115.0,"currency_code":"USD","in_stock":true},{"title":"PTFE Büchner Funnel 90mm","offer_id":49667343778019,"sku":null,"price":145.0,"currency_code":"USD","in_stock":true},{"title":"PTFE Büchner Funnel 100mm","offer_id":49667343810787,"sku":null,"price":195.0,"currency_code":"USD","in_stock":true},{"title":"PTFE Büchner Funnel 110mm","offer_id":49667343843555,"sku":null,"price":215.0,"currency_code":"USD","in_stock":true},{"title":"PTFE Büchner Funnel 120mm","offer_id":49667343876323,"sku":null,"price":245.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/0563\/5555\/files\/funnel1.jpg?v=1788490760","url":"https:\/\/linkinmfg.com\/products\/premium-high-purity-ptfe-buchner-filter-funnel-acid-alkali-resistant","provider":"LinKinMFG","version":"1.0","type":"link"}