sell vermiculite fireproof board

The vermiculite board is made of raw mineral material---vermiculite. They are new, green construction materials without any bad gases and inorganic, associated substance.The vermiculite board is widely used in the first grade fire door, fireproof ceiling, fireproof wall, fireproof roller shutters, fireproof floor, fireproof air pipe, the cladding material of construction steel frame; and also used as heat insulation and preservation materials in boiler, smelting boiler and heating boiler. The products also are used in shipbuilding field.