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Press Release

Technology Knowledge



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Medium density Silicone foam is a kind of compressible polymer elastomer material made by mixing evenly and special technology, which is made of raw materials including silicone rubber, filling and reinforcing agent, vulcanization promoter and foaming agent. It is used for shock absorption, buffering, sealing, heat insulation, sound insulation and other protection of high-speed railway, locomotive, high-pressure assembly, outdoor waterproof, lamps and household appliances.

  • V0 Flame retardant
  • Color:Grey,Black
  • Light and easy to install and use
  • Operating temperature:-40℃~+220℃
  • Acid and alkali corrosion resistance, good air tightness
  • High softness, good elasticity, environmentally friendly
  • Excellent ozone and UV aging resistance

Technical Performance

Item   Typical Data Test Standard
Flame retardance V0 UL94
Compression set(100℃) ≤5% ASTM D1056
Tensile strength ≥0.3MPa ASTM D412
25% Compressive stress 40-100kPa ASTM D1056
Elongation at break ≥80% ASTM D412
Water absorption ≤5% Room-temperature 24h
Volume resistivity ≥1014(Ω·cm)  
Thermal conductivity 0.09W/m°k ASTM C518
Dielectric strength ≥2.5kV/mm ASTM D149
Density 0.33±0.05g/cm3 ASTM D1056
Toxic gas emission evaluation Pass SMP-800C
Ozone resistance Pass GM 4486P
Corrosion resistance Pass AMS 3568


Wall Thickness (mm Tolerance (mm Packing length (M/Roll
2.0 ±0.2 30
3.0 ±0.3 30
4.0 ±0.4 10
5.0 ±0.5 10
6.0 ±0.6 10
7.0 ±0.7 10
8.0 ±0.8 5
9.0 ±0.9 5
10.0 ±1.0 5

Note:Special size and packing are available as request.

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