The RTF7000 variable density foam system is a multi-component product which allows end-users to design finished foam products with a wide range of density, cell structure and physical properties based on the requirements of the end-use application. The system consists of a base, a crosslinker, and an additive that are mixed in various combinations and ratios to yield a cured silicone foam over a density range of 5 to 16 pounds per cubic foot. The RTF7000 variable density silicone foam system can be considered for a variety of applications where fire retardency, thermal insulation and low density are key considerations.
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Momentive Performance Materials RTF7000 technical specifications.
| Feature | Variable density between 5 and 16 pounds per cubic foot |
| Feature | Non-halogenated fire retardant foam |
| Feature | Low smoke generation |
| Feature | Low toxicity combustion by-products |
| Feature | Room temperature process capable |
| Feature | Foam develops without use of CFCs |
| Base Component | RTF7000 |
| Color (RTF7000 Base) | White |
| Viscosity (RTF7000 Base) @ 25°C | 65000cps |
| Specific Gravity (RTF7000 Base) | 1.23 |
| Crosslinker Component | SS4300C |
| Color (SS4300C) | Clear |
| Viscosity (SS4300C) @ 25°C | 15cps |
| Specific Gravity (SS4300C) | 1.00 |
| Additive Component | Methanol (Low Density Additive) |
| Color (Methanol) | Clear |
| Viscosity (Methanol) @ 25°C | 1cps |
| Specific Gravity (Methanol) | 0.79 |
| Work Life (minutes) - Mix Ratio (RTF7000:SS4300C:Methanol) | 1 (100:7.5:0), 3 (100:7.5:0.4), 4 (100:7.5:1.0)minutes |
| Rise Time (minutes) - Mix Ratio (RTF7000:SS4300C:Methanol) | 5 (100:7.5:0), 15 (100:7.5:0.4), 23 (100:7.5:1.0)minutes |
| Rise Time Condition | 22°C |
| Target Density (pcf) - Mix Ratio (RTF7000:SS4300C:Methanol) | 16 (100:7.5:0), 12 (100:7.5:0.5), 9 (100:7.5:0.8), 7 (100:7.5:1.2), 5 (100:7.5:1.6)pcf |
| Mechanical Properties Condition | 0.75 ft. thick skinned samples at 7 pcf density |
| Tensile Strength (psi) - No Postbake | 11psi |
| Tensile Strength (psi) - Postbake (15m/100°C) | 4psi |
| Tensile Strength (psi) - Postbake (5m/100°C) | 4psi |
| Elongation (%) - No Postbake | 40% |
| Elongation (%) - Postbake (15m/100°C) | 42% |
| Elongation (%) - Postbake (5m/100°C) | 47% |
| Tear Strength (lb/in) - No Postbake | 0.8lb/in |
| Tear Strength (lb/in) - Postbake (15m/100°C) | 1.1lb/in |
| Tear Strength (lb/in) - Postbake (5m/100°C) | 1.2lb/in |
| Compression (psi) @ 25% Deflection - No Postbake | 0.2psi |
| Compression (psi) @ 25% Deflection - Postbake (15m/100°C) | 0.6psi |
| Compression (psi) @ 25% Deflection - Postbake (5m/100°C) | 0.7psi |
| Deflection (ASTM D3574) @ 65% - No Postbake | 0.7 |
| Deflection (ASTM D3574) @ 65% - Postbake (15m/100°C) | 2.5 |
| Deflection (ASTM D3574) @ 65% - Postbake (5m/100°C) | 2.6 |
| Thermal Properties Condition | 0.75 in. thick skinned samples at 7 pcf density |
| Continuous Operating Temperature Range | -52 to 162°C |
| Continuous Operating Temperature Range | -60 to 350°F |
| Thermal Conductivity | 1.2 x 10^-4cal/sec/cm/°C |
| Thermal Conductivity | 0.05W/m K |
| Flammability Properties Condition | 0.75 in. thick skinned samples at 7 pcf density |
| OSU Rate of Heat Release - 2 Minute Integral Peak | 89kW/m² |
| OSU Rate of Heat Release - Peak | 62kW/m² |
| Smoke Density Test | ASTM E662 (NFPA 258) |
| Optical Density - 90 seconds (Flaming) | 7 |
| Optical Density - 4 minutes (Flaming) | 17 |
| Optical Density - 90 seconds (Non-Flaming) | 11 |
| Optical Density - 4 minutes (Non-Flaming) | 25 |
| Standard | FAR 25.8538 - Vertical Flammability: Pass |
| Standard | FMVSS 302 Horizontal Burn: Pass |
| Test Method | ASTM D3574 |
| Test Method | ASTM E662 (NFPA 258) |
| Document Reference | HCD-10286 (Rev. 3/29/2016 2:01:09 PM) |
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