Rock wool board Material: wood Thickness: 30 to 200mm Size: 1,000 ... or 1,200 x 600mm Density: 40 to 200kg/m3 Rock wool boardFunctions: heat insulation, sound absorption and fire-resistanceAdvantages: light, flexible ... , oil refining equipment and heat insulation pipelinesCustomized sizes are accepted Rock Wool Board with 30 to 200mm Thickness, Heat Insulation and Sound Absorption ...