Sponge rubber. Vulcanized rubber sponge-like porous structure. There are openings, obturator, mixed holes and pores of the points. It can be made of soft rubber or hard rubber. Density sponge rubber, excellent flexibility and flex, light, soft, flexible, easy to heat. With shock, to ease the impact of thermal insulation, noise and other effects. Sponge rubber is widely used widely used in automobiles, aircraft, chemical, daily necessities and other industries for sealing, vibration, noise, thermal insulation, role. Such as automotive weatherstripping, insulation cushion pads, construction sealing gasket, weak parts, damping materials and other products.
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China [CN] 
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