... ,PTFE etc.2)High temperature and acid-alkali resistance, anti-aging, no poison and ... Item namerubber GasketSizeCustomized/standard and nonstandardBrand Name heat resistant rubber gasket MaterialNBR,HNBR,EPDM,SILICONE,VITON, ... Black, White, Clear, etcSPECIALFeaturesOil-resistant; heat resistant; abrasion-resistant;aging resistant; insulation; acid and alkaline resistant; airtight; shock absorption, etc. ...