... quality,OEM service √ material: EPDM, SBR,CR, NBR, NR,silicone rubber;√ hardness: shore A 50-70;√ good compression force and tension ... company also specialized in producing rubber gasket, o-ring, silicone keypad,rubber pipe, rubber stopper, seals and other automotive rubber parts.Welcome to our ... that we can communicate quickly, thank you! View more products: rubber shock absorber