Rock wool products are made from natural mineral wool such as basalt and dolomite. The natural rock are melted into melts in cupola at a very high temperature about 1500The highest application temperature is 700 it has characters : sound insualtion ,fireproof ,waterproof and so on. It always used in the construction sound insulation wall,roof , industrial furnace,oven,heat -treating equipment,storage tank and so on.It has characters such as: Superior Fire Resistance Rock wool board is non-combustible, not burn,not smoke and can arrived Class A fire rating and it also has heat preservation. Its highest working temperature is 750 Good Water reprellence: Rock wool products greatly reduced by adding special silicone emulsion water repellent agent, thus ensuring the quality requirement for external wall insulation system. Hydrophobic rate is 99%. Environment Friendly Free from asbestos, CFCS, HFC, HCFCS and other harmful substances to the environment; our rock wool adopt the resin binder. Do not release any toxic gas at high temperature. Construction Application Rock wool was used for building materials , and steel structure insulation soundproof and fireproof used for wall and roof of house Heat preservation for steel structure building For indoor partition wall , Train compartment . Rock wool used for 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.