On the contrary, sponge rubber usually begins with expandable rubber sorts like EPDM or neoprene. The rubber compound is then supplemented with a chemical blowing agent, which, on heating, decomposes and releases gases. This method contributes to the enlargement in the rubber as well as formation of the sponge-like structure. https://rubberfoamversusspongerub87306.blog-mall.com/34260096/an-unbiased-view-of-huamei-rubber-foam