rockwool silencers are made
Rockwool
Firerock Rockwool is an inorganic fiber made from natural stones and minerals bound by organic binders.Firerock Rockwool is non-flammable, suitable for thermal insulation, fire protection and sound absorption / noise reduction.Fire Rock in sheet form is very easy to apply in industrial and commercial buildings-Ducting system-Absorber-Thermal Insulation-Partition sound absorbersDensity Firerock Rockwool60 kg / m380 kg / m3100 kg / m3Dimensions of Firerock RockwoolLength: 120 cmWidth: 60 cmThickness: 5cm