HT820 flame retardant silicone foam - firm density - grey. This sheet is supplied in 200mm square sheets. Boasting higher tear and tensile strength than lighter grade foams, this product offers excellent durability and sealing. It has excellent memory and low stress relaxation, making it an ideal gasketing material. Further, its resistance to UV, Ozone, extreme temperature and flames allow it to be used in all environments and its cell strcture prevents penetration by fine particles and rain. Possible applications include, but are not limited to gaskets, anti-vibration/cushioning, HVAC systems, anti-fogging seals and battery pads/cushions in the automotive industry.