On the contrary, sponge rubber routinely starts with expandable rubber styles like EPDM or neoprene. The rubber compound is then supplemented using a chemical blowing agent, which, on heating, decomposes and releases gases. This process brings about the expansion on the rubber and the formation of the sponge-like construction. Enable https://huamei-rubber-foam93715.blogsvirals.com/32814810/rubber-foam-versus-sponge-rubber-an-overview