BISCO HT-800 Medium Cellular Silicone is a versatile, medium firmness silicone. HT-800 silicone foam leads the market in sealing and protecting outdoor communication, electronics, and lighting enclosures. HT-800 silicone foam’s superb memory and low-stress relaxation reduces maintenance costs from gasket failures caused by compression set and softening. Its compact cell structure and unique formulation provide enhanced sealing against penetration from fine particles and wind-driven rain and fire. It also offers shock reduction and vibration isolation in electronic components and transportation vehicles.
FEATURES:
Compact cell structure and unique formulation
Available in thicknesses from 0.031 to 0.500 in.
Typical density of 22 PCF
CFD range of 6-14 PSI
Resistant to UV, ozone, extreme temperatures and flame
BENEFITS:
FDA compliant
Offers consistent performance in all environments
Excellent memory and low-stress relaxation
Reduces maintenance costs associated with gasket failures due to compression set and softening
Typical Properties
PROPERTY
TEST METHOD
VALUE
Color
Visual
Black, Gray, Red
Thickness, mm
(inches)
Internal
1.60 – 25.40
(0.063 – 1.000)
Density, kg/m3 (lb./ft3)
Internal
352
(22)
Compression Force Deflection, kPa (psi)
ASTM D1056
67
(9.7)
Compression Set, % max.
ASTM D1056
100°C (212°F) / 22 hrs / 50%
2.4
Water Absorption, %
Internal 2″ below water surface / 24 hrs /change in weight
