... 1.Material:HNBR 2.High/Low temperature resistance,Oil resistance,anti-aging 3.Size:1/2 3/8 5/8 3/ ... ,PTFE etc.2) High temperature and acid-alkali resistance, anti-aging, no poison and no smell3)It's an ideal solution ... , Black, White, Clear, etcSPECIALFeaturesOil-resistant; heat resistant; abrasion-resistant;aging resistant; insulation; acid and alkaline resistant; airtight; shock absorption, etc ...