nbr rubber o ring industrial o ring epdm o ring food grade,cr, ... : EPDM, SBR,CR, NBR, NR,silicone rubber;β hardness: shore A 30-90;β Application: automotive, industrial, medical, agricultural,etc;β molding: compression, injection ... company also specialized in producing industrial silicone rubber products, such as rubber gasket, o-ring, silicone keypad,rubber pipe, rubber stopper, seals and other ...