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BISCO® HT-820 Firm Silicone Foam

  • Product code: HT-820
  • Manufacturer: Rogers
  • Package size: Contact for MOQ
  • Shelf Life: Contact us for more details

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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.

Features

  • Compact cell structure offers enhanced sealing performance
  • Available in thicknesses from 0.031 to 0.250 in.
  • Typical density of 24 PCF
  • CFD range of 12-20 PSI
  • Resistant to UV, ozone, extreme temperatures and flame

Benefits

  • Excellent memory and low stress relaxation
  • Enhanced sealing performance
  • Offers consistent performance in all environments
  • Reduces maintenance costs associated with gasket failures due to compression set and softening

Typical Properties

PROPERTY TEST METHOD VALUE
Color Visual Gray
Thickness, mm
(inches)		 Internal 0.79 – 12.70
(0.031 – 0.500)
Density, kg/m3 (lb./ft3) Internal 384
(22)
Compression Force Deflection, kPa (psi) ASTM D1056 106
(15.3)
Compression Set, % max. ASTM D1056
100°C (212°F) / 22 hrs / 50%		 2.6
Water Absorption, % Internal 2″ below water surface / 24 hrs /change in weight 0.5
Temperature Range, °C (°F) Internal -55 to +200
(-67 to +392)
Thermal Conductivity, W/m °K ASTM D518 0.09

Resources

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