... Synthetic rubber foaming body,and commoned SBR,Diving materials,It's soft,elastic,waterproof,shockproof features. Neoprene is ... commoned called SBR,CR,Diving materials in mainland China; and feel soft,elastic,waterproof,shockproof,insulation,airtight features. more and ... more widely used for many filred as a new materials, because the ...