BISCO® 7330 Silicone Sponge
Rogers BISCO® 7330 Silicone Sponge is a medium-density, flame-resistant closed-cell silicone sponge engineered for high-reliability gasketing, thermal insulation, and sealing in harsh environments. With excellent temperature stability, low compression set, and superior flame resistance, BISCO 7330 is ideal for aerospace, transportation, and industrial applications that require long-term durability and compliance with strict flammability standards. It meets key industry specifications including BMS 1-60 Type 1, Grade B and DMS-1980 Grade 2, Medium.
Applications include: Gap filling, gasketing and sealing, HEV enclosures, LCDs, shock absorbers, sound blocking, spacers and bin liners, and thermal solutions.
- Supplied in sheet format in a wide range of thicknesses (1.59 mm to 25.4 mm / 0.063" to 1.0")
| Property | Specification |
| Backing (Carrier) Material | Closed-cell medium firm silicone sponge |
| Adhesive Material | Optional Silicone or Acrylic PSA |
| Density (Metric) | 560 kg/m³ |
| Density (Imperial) | 35 lb/ft³ |
| Compression Force Deflection (kPa) | 48-96 kPa |
| Compression Force Deflection (PSI) | 7-14 psi |
| Compression Set (22 hrs. at 100°C/50%) | <5% |
| Water Absorption | <5% |
| Thermal Conductivity (K Value) | |
| Tensile Strength (kPa) | >690 kPa |
| Tensile Strength (PSI) | >100 psi |
| Elongation at Break | >100% |
| Shielding Effectiveness (Average 300kHz - 2.5GHz) | |
| Product Color | Gray |
| Dielectric Strength | |
| Volume Resistivity | |
| Insulation Resistance | |
| Certifications | Passes FMVSS 302, Meets BMS 1-60 Type 1, Grade B and DMS-1980 Grade 2 |
| Thickness (Imperial) | 0.063-1" |
| Thickness (Metric) | 1.59-25.4 mm |
| Maximum Operating Temperature (Celsius) | 232°C |
| Maximum Operating Temperature (Fahrenheit) | 450°F |
| Minimum Operating Temperature (Celsius) | -55°C |
| Minimum Operating Temperature (Fahrenheit) | -67°F |
