... insulating,cold insulating 3.Water proofing 4.sound absorbing. Rockwool insulation panel Green ,Eco Friendly & Energy Saving ! Density 60K-200KThickness 50mm- ... strength ≥40KpaApplicationOur product is widely used for the heat insulation and sound absorptionand heat preservation of pipes in building fieldBusiness ... ,TNT ,UPS account .For regular client ,it's free . Rockwool insulation panel