... ,SBR,NBR,CR,NR,silicone rubber reliable factory √ material: EPDM, SBR,CR, NBR, NR,silicone rubber;√ hardness: shore A 30-90 ... 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 our website to know ...