The fire doors vermiculite expanded vermiculite and a certain dose of adhesives, made of sheet metal has been hot or cold. It has a high strength and capricious. The plate also has insulation, thermal insulation, fire protection, asbestos-heated to high temperatures up to 1200 degrees Celsius does not produce gases harmful to human health, combustion performance of Class A and so on. This product can be used in fire door core, fireplace lined with wall materials. Fire doors vermiculite is a new type of building materials in China is still in the prototype stage, domestic exports mainly raw materials vermiculite, and the finished product is seldom used in the country, but in recent years, the domestic market demand gradually increased. In the United States, Britain, France and other developed countries have already in the 1980s is widely used. The fire doors vermiculite characteristics: non-flammable, non-melting, high temperature, as vermiculite expanded vermiculite as the main raw materials, inorganic materials carbon, does not burn. Its melting point is 1370 to 1400 ° C, the maximum temperature of 1200 degrees Celsius, as well as long-lasting insulation. Chen Xing Industrial production of fire doors vermiculite quality Xinjiang non-asbestos vermiculite made of non-toxic, non-smoking, green carbon and sulfur, inorganic materials, not born CO2 and SO2 atmospheric impact air, it would not cause harm to humans. Fire doors vermiculite in a foreign country widely applied to construction, shipbuilding, metallurgy, electric power, aerospace and other fields, the specific application: 1, fire doors, door core; 2, kitchen utensils, furniture; hull plate; 4, fire exits , ventilation system; 5, commercial banks, libraries, hotels, restaurants, entertainment, high-end residential, residential; 6, furnace insulation; 7, Fireplace insulation; 8, industrial insulation materials.