PORON 4790-92 Silicone Sponge

27118 is a highly versatile medium firmness Silicone offering the lightness of a foam with the sealing capabilities of a traditional Sponge Rubber.  Use to seal against penetration of dust, moisture, air and light within indoor or outdoor enclosures, such as lighting and electronics and Heating Ventilation and Air Conditioning. This product has, Excellent Memory and low stress relaxation,  Good Resistance to Ultraviolet light, ozone, extreme temperatures and flame, FDA Compliance in accordance with FDA Regulation 21 CFR 177.2600