thermal resistant, soundproof, fireproof, economical, green Rock Wool BoardBulk Density (Kg/M3)Fiber Diameter (μm)Thermal Conductivity (w/m.k)Working Temperature(°C)50-2004-70.04-0.048600Specification (mm)1000*600*40-100 furnace,oven,heat treatment equipment, petrochemical equipment,oil tank, big diameter pipes, airconditioner,etc.