A2R Reinforced Sound Barrier is a reinforced solid silicone rubber engineered to meet demanding requirements for flammability, smoke density and toxicity. It can be used to block the transmission of sound in furnishing, equipment and insulation applications. The material meets JAR/FAR, part 25 25.853(a). It can be perforated and/or supplied as cut parts.

  • Acoustic Insulation
Product Features
  • Dimensional stability
  • Fire retardant
  • Flame resistant
  • Good noise absorption
  • Low smoke/ low toxic gas emission
Quality standards
  • ABS 5789
  • AIMS 04-22-005
  • JAR/FAR Part 25 25.853(a) 1(ii)
  • JAR/FAR Part 25 25.856(a)
  • Aerospace

Typical properties

Product Property Value Test Method
Polymer type Silicone
Colour Light Grey
Areal Weight (kg/m2) 1 - 3 ISO 2286-2
Areal Density (kg/m2) Nominally 1, 1.5 and 3
Hardness 60 Shore A ISO 7619 (without reinforcement)
Length (m) 5
Width (mm) 1000
Tensile Strength (Mpa) Warp 14, Weft 8 ISO 37 Type 2
Temperature stability (°C) -55 to +180
Flammability Pass JAR/FAR, part 25 25.853(a)(1)(ii)
Flame propagation resistance Pass JAR/FAR, part 25 25.856(a)
Smoke Gas Components Pass AITM 3.0005
Smoke Density Pass AITM 2.0007