Rock wool sandwich rockwool sandwich panel suitable for fire protection have higher requirements of the project. Rock wool fibers perpendicular to the metal panel, high-density rock wool strips are staggered along the longitudinal direction of the plate, rock wool sandwich panel ensures good carrying capacity. Characteristics: Fire: 79 minutes have affected by the weather floor: in line with ISO717 / 82 & UNI18270 / 7 standards, especially for use in high noise environments. Widely used in: Clean purification plant, the combination of housing, roof and floor, interior partitions, car Gar paint room and freezing cold storage and so on. Such as: pharmaceuticals, electronics, food, beverages, fresh vegetables, large refrigerator and civil construction and other interior use.