The density of sponge rubber is one-third that of foam rubber. This may be attributed to sponge rubber becoming composed of organically-derived supplies, although foam rubber is composed of petroleum-derived components. Enable or Disable Cookies In the event you disable this cookie, we won't be capable of help you save https://rubber-foam-sheets26947.blogsmine.com/34253094/little-known-facts-about-foam-rubber-manufacturer