... dense parts.(8) Silicone,EPDM molded parts.2.Function:Rubber seal could stop air, water and dust enter the machine ... .4.Application:Railcars,automobile,steamboat,industrial electrical equipment,building door& window,construction machinery,construction bridge and tunnel. Etc. ... radiation, good flexibility, good elasticityUsageSteamboat,yacht, motorboat ,train,subway,car silicone rubber seal strip