rubber shock block 1.size: any sizes are optional. 2.material:NR,NBR ... .hardness: 40-75A 4.tensile strenght:5-20MPA rubber shock block Features: 1) Material: NR,NBR,CR,SR,EPDM,SBR, ... nonstandard rubber accessories and products, pad, anti-vibration articles, rubber water stop, fender, rubber sheett, conveyor belt, rubber roller, rubber ... according to customer’s drawing and demands. rubber shock block