A4 Engineers manufactures sponge silicone rubber gaskets in various sizes for critical applications where sealing as well as cushioning effect is necessary in combination with heat, chemical or electrical resistances. The base rubber provides the necessary resistance to heat, chemical and electrical functions. The spongy nature provides cushioning as well as sealing actions. Sponge silicone has excellent high temperature resistance and as good resistance to oil, grease, fluids, ozone, ageing, and weather resistance, Sponge silicone gaskets, sheets, cords, strips, sections and other products are manufactured to suit various industrial applications.