Waterproof Rock Wool Blanket 1.Rock Wool Blanket Density:60-110kg/m3 2.Rock Wool Blanket Length:2-5m 3.Rock Wool Blanket ISO Waterproof Rock Wool Blanket Plain rockwool blanketIt is the normal type, suitable for big diameter pipelines, flat and irregular surfaces, building walls with good thermal insulation and acoustic absorption effects.The blanket with glass cloth, aluminium foil or wire mesh ...