gasoline and alcohol as fuel ID: 90340
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Fluorocarbon Typesfluorocarbon polymer. Figure 1 compares the Standard FluorocarbonsA-Typegeneral-purpose sealing. A-Type offers the bestfluorocarbons. A-Type is not recommended forB-Type fluorocarbons offer better chemical resistance than A-Type. B-Type has improvedF-Typeresistance to flex fuels. F-Type has the best fluidSpecialty FluorocarbonsGLT, GFLT, and ETP are Genuine Viton®.GLTfluorocarbons offer excellent low-to A-Type. Compounds using GLT typically have atemperature retraction value (TR-10) of -22°F.GFLTsimilar to F-Type. Compounds using GFLT typicallyhave a TR-10 value of -11°F. (Fluorine content ofLTFEfluid resistance similar to GFLT. Compounds usingLTFE typically have a TR-10 value of -40°F.(Fluorine content of polymer is about 67%)cost-effective alternative to perfluoroelastomers.ETP fluorocarbons offer similar reliable service in gasoline and alcohol as fuel. Flex fuels Service Parcos fluorocarbon seals provide excellent resistance to a wide range of chemicals and temperatures. This selection diagram will help you choose among Parcos popular fluorocarboncompounds. Parco also offers more than 40 fluorocarbon compounds not shown in this diagram. If we dont have a compound for your application, we can develop one for you. Fluorocarbon Selection DiagramFig. 3 Pressuresof1,500psi Below-10orMore AMS7259 to-40 Color ResistsExplosiveDecompression HarshChemicals ResistsAlcohol ResistsHarshChemicalsMeetsAMS7276/MilR83248YesYesYesYesYesYesYesYes NoNoNoNoNoNoNo 9162-959164-909009-909021-959167-609131-759066-759166-759266-759500-759505-75 *Compound made from Genuine Viton® polymer. Source: Parco R & D data. ImprovedResistancetoSteam&Acid