BISCO® Silicones Sample Request

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HT-840 is a very firm grade silicone foam that offers the enhanced sealing capabilities of a sponge rubber. It is used to seal and protect various outdoor communication, lighting, and electronic enclosures from small dust particles, wind driven rain, and fire. It offers a higher tear and tensile strength than our lighter grade foams.

Available Thicknesses:0.063" - 0.250"
Typical Density:28 lb/ft³
CFD Range:16 - 26 psi
Specifications:UL94 V-0 and HF-1
Grade:Extra-Firm Silicone Foam

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