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Adhesive Tape Materials And Whole Set Solutions
Rogers BISCO HT-820 Firm Cellular Silicone provides enhanced durability and sealing in a wide range of environmental conditions and applications.
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.
| PROPERTY | TEST METHOD | TYPICAL VALUE* |
|---|---|---|
| Color | Visual | Gray |
| Thickness, mm (inches) | Internal | 0.79 - 6.35 (0.031 - 0.250) |
| Density, kg/m³ (lb./ft³) | Internal | 384 (22) |
| Compression Force Deflection, kPa (psi) | ASTM D1056 | 106 (15.3) |
| Compression Set, % | 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 |
| Low Temperature Flex | ASTM D1056 -55°C (-67°F) / 5 hrs | Pass |
| Low Temperature Brittleness | ASTM D746 -55°C (-67°F) / 3 min | Pass |
| NOMINAL THICKNESS | TOLERANCE |
|---|---|
| mm (inches) | mm (inches) |
| 0.79 (0.031) | ± 0.381 (± 0.015) |
| 1.59 (0.063) | ± 0.508 (± 0.020) |
| 2.39 (0.094) | ± 0.508 (± 0.020) |
| 3.18 (0.125) | ± 0.635 (± 0.025) |
| 4.78 (0.188) | ± 0.635 (± 0.025) |
| 6.35 (0.250) | ± 0.762 (± 0.030) |
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