40 to 200 kg per cubic meter density rock wool board

{"cid":"91224228","title":"Rock Wool Board with 40 to 200 Kg per Cubic Meter Density for Acoustic and Thermal Insulation Featuring Level A Fire Resistance and \u22641% Water Absorption","imgUrl":"https:\/\/img.chinax.com\/nimg\/57\/46\/56c87724d51cd7bc28db449ee754-200x200-1.jpg","attrs":{"Shape":"Rectangle, Square, Sheet","Packing":"Bubble Film And Carton Box","Core Material":"Rock Wool","Hydrophobic Property":"Good","Color":"Gray","Surface":"Smooth","Sample":"Support Sample Services","Material":"Rock Wool"}}