rubber gasket for electric engine heater 1)100% Food-Grade Silicone Material 2)Certificate,Rosh,CE, ... : NBR,HNBR,EPDM,SILICONE,VITON,NR,FLS,FFPM,PU,PTFE etc.2)High temperature and acid-alkali resistance, anti-aging, no ... ;aging resistant; insulation; acid and alkaline resistant; airtight; shock absorption, etc.Port Shanghai or ningboShipping1) Small quantity, DHL/FEDEX/UPS/TNT ...