VFRS200 - Silicone Rubber Specifications

A high specification silicone sponge having very good mechanical properties. Special features include extreme heat stability inside extended temperature range. Fire resistant, low smoke, low toxicity.

• Density:    200 Kg/m³ (ISO845)
• Compression set:   
      2%  (at 50%, 22hrs @ 70°C)          
      <10% (at 50%, 22hrs @ 100°C)           
      (ASTN D1056)               
• Compression deflection:    4psi (ASTM D3675 @ 25%)
• Tensile:    30psi (ASTM D412)               
• Elongation at break:    100% (ASTM D412)              
• Thermal resistance:    2.5° ft² h/Btu (ASTM C518)       
• Vertical flammability:   
      FAR25.853 (a)(1)(I) 12 sec           
      FAR25.853 (a)(1)(I) 60 sec       
• Flame spread:    <25 (ASTM E162/DE 3675)       
• Flame resistance:    UL94 V0 (V1 subject to thick)       
• Toxic gas emission:    Bombardier SMP800C pass       
• Smoke density:   
      <50 @ 4min                       
      <20 @ 1.5min (ASTM E662)       
• Water absorption:    3% (ASTM D570)
• Temp. range:    -70°C to +200°C