Tungsten disulfide (Tungsten disulfide) is an inorganic compound with a molecular formula of WS2 and a molecular weight of 247.97. Tungsten disulfide is gray fine crystal or powder with metallic luster, belongs to hexagonal crystal system, has semiconducting property and antimagnetic property. The natural mineral is tungstenite. Tungsten disulfide has a layered structure, is easy to dissociate, and has similar lubricating properties to graphite. Used as a lubricant, eg for aerosols.
Tungsten disulfide is a gray-black fine crystalline powder with a hexagonal crystal layer structure, insoluble in water, oil, alcohol, and organic solvents; it has good adsorption properties on metal surfaces, does not chemically react with metal surfaces, and is not affected by radiation ; It is stable in air, and it begins to decompose when heated to 1100°C in vacuum.
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