Rock Wool ♦ Standard specifications as follows: Thickness: 30mm to 200mm Size: 1000 x 630mm or 1200 x 600mmDensity: 40kg/m³ to 200kg/m³Any other sizes can be provided in accordance with customers' requests. ♦ Introduction It has many advantages such as light, flexible, resilient. And also has superior functions like heat insulation, sound absorption, and fire-resistance.Therefore, they are widely used in construction wall, roof, industrial furnace, oven, heat-treating equipment, storage tank, storage groove, power house, flue, petrifaction and oil refining equipment and all kinds of keeping-warm and heat insulation pipelines.