... manufacturer,good quality material: EPDM, SBR,CR, NBR, NR,silicone rubber;hardness: shore A 30-90;Application: automotive, industrial, medical, ... producing industrial silicone rubber products, such as rubber gasket, o-ring, silicone keypad,rubber pipe, rubber stopper, seals and other automotive rubber parts.Welcome ... so that we can communicate quickly, thank you! high quality precision rubber gasket