• Glass Wool

Acoustic Board | Acoustic Panels and Foam

  • Rigid
  • For Acoustic
    sensitive area
  • Easy to install

Range

  • Density : 70 to 80 kg/m3
  • Thickness : 25 to 50 mm
  • Width : 0.6 and 1.2 m
  • Length : 1.2 and 2.5 m

Facings

  • FSK on one side + BGC on the other side

Basic Information

Make / Brand Twigainsul
Material Resin bonded glass wool
Standard / Code IS 8183

Product Performing Criteria

Parameter Values Standards
Thermal Conductivity
(W/m.K)
0.0306 at 25oC mean temperature IS 8183, IS 3346
Thermal Resistance
(m2 K/W)
0.8 to 1.6
Calculated as per thickness and thermal conductivity of insulation
NRC 0.65 with 25 mm thickness
(0.75 with 35 mm air gap)
ASTM C-423 / ISO 354

General Material Properties

Parameter Values Standards
Non-combustibility Non-combustible / Incombustible, Reaction to Fire ‘A1’ BS 476 Part 4, IS 8183, EN 13501
Surface spread of flame NIL, Class 1 BS 476 part 7
Fire propagation Class 0, index l<12, sub-index i1<6 BS 476 part 6 and 7
Moisture content Less than 2% IS 3144, IS 8183
Shot content NIL IS 3144, IS 8183
Sulphur / Chloride Negligible IS 3144, IS 8183
Mold growth None IS 3144, IS 8183
Alkalinity pH 7 to 10 IS 8183

Certifications and Approvals

Environment Fire Health Safety Standards Compliance