BISCO A2 Sound Barrier is a solid silicone rubber designed for sound barrier applications and is ideal for use in aircraft and rail liners, flooring and interiors. A2 R Fiberglass Reinforced Sound Barrier contains embedded fiberglass, and provides similar sound absorption and flame resistance characteristics with added tensile and tear strength.


  • Typical density: 1.2-8.2 kg/m2
  • Specifications: Airbus ABS5708, FAR25.856(a)
  • Durometer: 62 Shore A
  • Tear strength: 10.2 N/mm
  • Temperature stability: -50°C to 180°C


  • Superior acoustic insulation and noise reduction in aircraft and rail liners, flooring and interiors
  • Meets the most demanding requirements for flammability, smoke density and toxicity (FST)
  • Uses innovative filler technology to create superior flame resistance
  • Available in standard and fiberglass-reinforced fabrications



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  • Vibration Isolation Tool

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