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BISCO HT-820 Firm Cellular Silicone is a firm grade silicone foam that provides enhanced durability and sealing. HT-820 foam offers a higher tear and tensile strength than our lighter grade foams. This material is designed for use in enclosures requiring a more durable, high closure force gasket. HT-820 foam is ideal for sealing and protecting outdoor communication, lighting and electronic enclosures from small dust particles, wind-driven rain and fire.
View current applications of this product.