... ,000x630mm or 1,200x600mm Rock wool blanket: 3,000x1,000mm Thickness: 30-100mm Density: 60-150kg/ ... superior function like heat insulation, sound absorption, and fire-resistance. It widely used in construction wall, roof, industrial furnace, oven, heat-treating ... according to the customers requested 3. Packing: Hot seal shrink rock wool slab