Sponge rubber extrusions has a fixed cross sectional profile, though with a sponge-like texture. These profiles are created when the sponge rubber compound is pushed through a die of the desired cross section so as to develop the desired shape. We use EPDM sponge for good UV resistance that has good memory for sealing purposes. If you need sponge rubber extensions for whatever devices you’re operating then don’t hesitate to give us a call. We will provide you the quality products you require.