... Synthetic rubber foaming body,and commoned SBR,Diving materials,It's soft,elastic,waterproof,shockproof features. Neoprene ... foaming body, and commoned called SBR,CR,Diving materials in mainland China; and feel soft,elastic,waterproof ... more widely used for many filred as a new materials, because the cost drop . so there are ... SBR, mostly used for Fishing pants, add sulfur shoes. 3)SB grade: 30%CR+70%SBR, mostly ...