{"product_id":"tri-clamp-silicone-gasket","title":"Tri-Clamp Silicone Gasket, Platinum Cured","description":"\u003cp\u003ePlatinum cured silicone tri clamp gasket, FDA compliant, in 1, 1.5, 2, 4 and 6 inch, from $3.25. Every size is priced on this page.\u003c\/p\u003e\n\u003cp\u003eRead this before you order. Silicone rates severe against butane, propane, heptane, pentane, hexane and isopropyl. It is not a hydrocarbon gasket and N.B. Oler does not recommend it for extraction service. It is on this site because silicone is the right answer for steam, hot water and food contact, and because people ask for it by name.\u003c\/p\u003e\n\u003cp\u003eIf you are running solvent, use \u003ca href=\"\/products\/tri-clamp-viton-gasket\"\u003eViton\u003c\/a\u003e. If you are running isopropyl or going cold, use \u003ca href=\"\/products\/tri-clamp-ptfe-gasket\"\u003ePTFE\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eSizes and price\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1 in\u003c\/td\u003e\n\u003ctd\u003e$3.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.5 in\u003c\/td\u003e\n\u003ctd\u003e$3.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2 in\u003c\/td\u003e\n\u003ctd\u003e$6.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4 in\u003c\/td\u003e\n\u003ctd\u003e$8.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6 in\u003c\/td\u003e\n\u003ctd\u003e$42.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eThe numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTemperature: -85 F to 450 F (-65 C to 232 C), the widest low-to-high span of any elastomer in this range\u003c\/li\u003e\n\u003cli\u003eClamp torque: 30 in-lb, the elastomeric figure. PTFE takes 50\u003c\/li\u003e\n\u003cli\u003eCompliance: platinum cured, FDA compliant\u003c\/li\u003e\n\u003cli\u003eGood on ethanol, with minor effect\u003c\/li\u003e\n\u003cli\u003eSevere on butane, propane, heptane, pentane, hexane and isopropyl\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eN.B. Oler's certification reports are explicit on this point. 3P Certz ECR-200031-R0 states that component seals and gaskets may be PTFE, PEEK, FKM, Buna-N or Viton, and that EPDM, PVC and silicone are not acceptable materials for use in the extraction system. Silicone belongs on a steam or food line, not on a solvent line.\u003c\/p\u003e\n\n\u003ch3\u003eSolvent compatibility, by material\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eButane\u003c\/th\u003e\n\u003cth\u003ePropane\u003c\/th\u003e\n\u003cth\u003eEthanol\u003c\/th\u003e\n\u003cth\u003eHeptane\u003c\/th\u003e\n\u003cth\u003ePentane\u003c\/th\u003e\n\u003cth\u003eHexane\u003c\/th\u003e\n\u003cth\u003eIsopropyl\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilicone\u003c\/td\u003e\n\u003ctd\u003eD\u003c\/td\u003e\n\u003ctd\u003eD\u003c\/td\u003e\n\u003ctd\u003eB\u003c\/td\u003e\n\u003ctd\u003eD\u003c\/td\u003e\n\u003ctd\u003eD\u003c\/td\u003e\n\u003ctd\u003eD\u003c\/td\u003e\n\u003ctd\u003eD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eViton (FKM)\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuna-N\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eC\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eE\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003eD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eA excellent, B good with minor effect, C fair and not for continuous use, D severe and not recommended, E no data. From the N.B. Oler Sintered Filter Technical Specifications, Rev. 2026.1.\u003c\/p\u003e\n\n\u003ch3\u003eWhich material for which job\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003cth\u003eTemperature\u003c\/th\u003e\n\u003cth\u003eTorque\u003c\/th\u003e\n\u003cth\u003ePick it when\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilicone\u003c\/td\u003e\n\u003ctd\u003e-85 F to 450 F (-65 C to 232 C)\u003c\/td\u003e\n\u003ctd\u003e30 in-lb\u003c\/td\u003e\n\u003ctd\u003eSteam, hot water and food contact. Severe on every hydrocarbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eViton (FKM)\u003c\/td\u003e\n\u003ctd\u003e-40 F to 400 F (-40 C to 204 C)\u003c\/td\u003e\n\u003ctd\u003e30 in-lb\u003c\/td\u003e\n\u003ctd\u003eThe hydrocarbon default. Not for isopropyl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolid PTFE\u003c\/td\u003e\n\u003ctd\u003e-350 F to 500 F (-212 C to 260 C)\u003c\/td\u003e\n\u003ctd\u003e50 in-lb\u003c\/td\u003e\n\u003ctd\u003eIsopropyl, or cold service. Cheapest route to full chemical resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePTFE envelope, Viton core\u003c\/td\u003e\n\u003ctd\u003e-100 F to 400 F (-73 C to 204 C)\u003c\/td\u003e\n\u003ctd\u003e50 in-lb\u003c\/td\u003e\n\u003ctd\u003ePTFE chemistry with spring-back, for joints broken every run\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuna-N\u003c\/td\u003e\n\u003ctd\u003e-30 F to 250 F (-34 C to 121 C)\u003c\/td\u003e\n\u003ctd\u003e30 in-lb\u003c\/td\u003e\n\u003ctd\u003eWater, food, general sanitary. Cheapest\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eReplacement\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplace every 3 to 6 months regardless of how it looks\u003c\/li\u003e\n\u003cli\u003eReplace immediately on any cracking, tearing, splitting or permanent deformation\u003c\/li\u003e\n\u003cli\u003eA gasket that has taken a compression set passes a cold leak check and then weeps once the line comes up to pressure. That is why interval beats inspection on a gasket\u003c\/li\u003e\n\u003cli\u003eFull comparison: \u003ca href=\"\/blogs\/tech\/choosing-the-right-gasket-material-for-tri-clamp-connections-a-comprehensive-comparison-of-buna-n-viton-and-ptfe\"\u003eChoosing the right gasket material for tri-clamp connections\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eStocked in Bend, Oregon.\u003c\/p\u003e","brand":"N.B.Oler","offers":[{"title":"1\"","offer_id":67782196658375,"sku":"40RXPX-100-FDA","price":3.5,"currency_code":"USD","in_stock":true},{"title":"1.5\"","offer_id":67782196691143,"sku":"40RXPX-150-FDA","price":3.25,"currency_code":"USD","in_stock":true},{"title":"2\"","offer_id":67782196723911,"sku":"40RXPX-200-FDA","price":6.25,"currency_code":"USD","in_stock":true},{"title":"4\"","offer_id":67782196756679,"sku":"40RXPX-400-FDA","price":8.5,"currency_code":"USD","in_stock":true},{"title":"6\"","offer_id":67782196789447,"sku":"40RXPX-600-FDA","price":42.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.nboler.com\/products\/tri-clamp-silicone-gasket","provider":"N.B.Oler","version":"1.0","type":"link"}