... EPDM, FKM, SBR, Silicone, Neoprene or Custom Size at your request Color transparent,red,any color Duro 30~80 Technics ... , NR, EPDM, FKM, SBR, Silicone, Neoprene etc. Custom materials available; tell us the application, and we can recommend ... structure availableHardness: 30 to 90 Shore A DurometerColors: Black, Transparent. Custom colors available.Material Temperature Range: -150F to 550F, depending ...