Heat And Sound Insulation High Density Rock Wool Board We just imported a advanced production line, The biggest density we can produce is 200kg/m3, Density 50 - 200KG/M3 Length 1200mm Width 600mm Thickness above 40mm We also produce rock wool board with wire mesh, Looking forward to the cooperation opportunity with you, Thank you! Related Products: Thermal Insulation Alu Foil Facing