... .hardness: 40-75A 4.tensile strenght:5-20MPA rubber shock block Features: 1) Material: NR,NBR,CR,SR,EPDM,SBR, ... , good rigidity and protection 4) Professionally customize all kinds of rubber produc6ts in accordance with clients' designs and drawings 5 ... rubber products with anticorrosive liner, special rubber products, rubber pad of sleeper for railway, composite base plate, etc. Besides, the company ...