Natural sponge rubber is a closed cell sponge. The closed cells of our Natural Sponge Rubber prevent water absorption. This product also has a good recovery from compression and good flexibility which makes it suited for indoor applications as well as being used for gasketing and padding applications that require a soft compressible material..
This material also provides the ozone, weather and UV resistance typical of silicone. These properties make natural sponge rubber great for Shock absorption, weather sealing and thermal barriers