... insulation, sound absorption and fire-resistanceAdvantages: light, flexible and resilientThickness: 30 to 200mmSize: 1,000 x 630 or 1,200 x 600mmUsed in construction wall, roof ... , oil refining equipment and heat insulation pipelinesCustomized sizes are accepted Rock Wool Board with 30 to 200mm Thickness, Heat Insulation and Sound Absorption Functions