... factory √ material: EPDM, SBR,CR, NBR, NR,silicone rubber;√ hardness: shore A 30-90;√ Application: automotive, industrial, medical, ... in producing industrial silicone rubber products, such as rubber gasket, o-ring, silicone keypad,rubber pipe, rubber stopper, seals and other automotive rubber parts. Welcome to ... us so that we can communicate quickly,thank you! molded rubber keypad with golden pill