Rogers – BISCO® HT-840

Material Description

BISCO® HT-840 extra firm silicone foam exhibits enhanced sealing capabilities comparable to sponge rubber. It’s designed for use in enclosures requiring a durable, high closure force gasket. Patented chemistry and cell structure provide a long-term performance advantage.

Additional information

Material Family

Cellular Foam

Density

23.7 – 34.5 lbs/ft3

CFD

16 – 26 psi

Thickness

0.063 – 0.25 in

Color

Constant Use Temperature

392°F

Intermittent Use Temperature

-67°F

Enhanced durability and sealing performance High tear and tensile strength comparable to a traditional sponge rubber Resistance to UV, ozone, and extreme temperatures for consistent performance across many environments Rated to most stringent UL flame standards
Very firm grade cellular silicone foam with the enhanced sealing capabilities of sponge rubber Offers higher tear and tensile strength than lighter grade BISCO® foams Typical density of 28 PCF CFD range of 16-26 PSI
Rogers Corporation provides advanced materials and engineered solutions for high-performance applications. Its products are widely used in healthcare, electronics, automotive, and industrial markets. Known for their reliability and precision, Rogers’ materials support demanding environments where performance and quality are critical.

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