On the contrary, sponge rubber often commences with expandable rubber types like EPDM or neoprene. The rubber compound is then supplemented with a chemical blowing agent, which, on heating, decomposes and releases gases. This method leads to the growth of the rubber along with the development of a sponge-like composition. https://rubberfoamsheets26037.gynoblog.com/32858704/rubber-foam-sheets-things-to-know-before-you-buy