Silicone Foam
BISCO® HT-870 Soft Silicone Foam
Overview
BISCO® HT-870 is a soft, closed-cell silicone foam engineered to provide reliable sealing and cushioning in demanding environments. Its excellent memory and low stress relaxation reduce maintenance costs associated with gasket failures due to compression set and softening. HT-870’s softness allows designers to use less force to seal enclosures while still protecting devices from the environment.
Features
- Density: Approximately 15 lb/ft³ (240 kg/m³)
- Compression Force Deflection (25%): 2–7 psi (14–48 kPa)
- Compression Set: Low, ensuring long-term sealing performance
- Flammability Rating: UL 94 V-0
- Service Temperature Range: –55 °C to +200 °C (–67 °F to +392 °F)
- Resistance: Excellent resistance to UV, ozone, extreme temperatures, and flame
- Thickness Range: Available from 0.063″ to 0.500″ (1.6 mm to 12.7 mm)
- Color: Typically red
Benefits
- Enhanced Durability: Maintains sealing performance over time
- Low Closure Force: Achieves effective sealing with minimal compression
- High Conformability: Adapts to irregular surfaces, ensuring reliable seals
- Flame Resistance: Meets stringent UL 94 V-0 flame standards
Applications
- Outdoor Enclosures: Sealing and protecting electronic enclosures from dust, moisture, and environmental stress
- Electronics Protection: Isolation from vibration, thermal shock, and mechanical stress
- HVAC Systems: Sealing ductwork and components in high-temperature settings
- Lighting Fixtures: Environmental seals for outdoor or industrial lighting assemblies
- Automotive Components: Damping and sealing under-hood or cabin electronics
Why Choose BISCO® HT-870?
- Superior Sealing Capabilities: Offers reliable sealing with low closure force
- High Conformability: Easily adapts to irregular surfaces
- Flame Resistance: Complies with UL 94 V-0 standards for flame retardancy
- Versatility: Suitable for a wide range of applications, including sealing, gasketing, shock absorption, and vibration management
Data Sheets
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