Rock Wool Boards Specifications: 1) Density: 80-150k/m3 2) Thickness: 50mm-80mm 3) O.D: 600mm 630mm 4) Length: 1000mm/910mm Other specifications can be made as per customers' requirements Physical parameter: 1) Thermal Conductivity (w/m.k) 0.030-0.044 2) Applicable Temperature (癈) 268-600 3) Waterproof Resistance >98% 4) Fire Resistance A