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What is it? Tungsten Disulfide Powder ? Tungsten dioxide is an organic compound that has a molecular structure of WS2 as well as a molecularweight of 247.97. It is a fine powder or crystal with a gray metallic appearance. It belongs in the hexagonal system of crystals. Tungstenite is a natural mineral. This layer structure is simple to dissociate with similar lubricating qualities to graphite. Useful as a Lubricant in Aerosols.
Tungsten Disulfide Powder: The Main Features
Tungsten dioxide is a compound made of tungsten, sulfur and has a chemical formula WS2 as well as a molecular mass of 247.97. It is a black-gray, powder. It looks like tungstenite in the natural world and is a dark gray crystalline solid. The relative density is 7.10. The relative density is 7.510. It is insoluble in hydrochloric acids and alkali, except for the mixture of concentrated hydrofluoric acid with nitric acid. Soluble in molten alkali, insoluble in alcohol. Density 7.6g*cm-3. It is reducible. It can react with hot concentrated sulfic acid, nitric and other strong oxygenants. [1] It decomposes to tungsten and other sulfur when heated to 1250 under vacuum. To eliminate excess sulfur, the mixture is co-heated to 900°C in a dry stream.
Tungsten Sulfide Properties
Other Titles tungsten sulfide (WS2), tungsten disulphide,
tungsten(IV) sulfide, WS2 powder
No. 12138-09-9
Combination Formula WS2
Molecular Weight 247.97
Appearance Gray to Black Powder
Melting Point 1250 degC
Boiling Point N/A
Density 7.5 g/cm3
Solubility of H2O N/A
Exact mass 247.895074
Tungsten Disulfide WS2 Powder CAS 12138-09-9
Tungsten Disulfide Pulver’s applications
Useful as a lubricant. Higher performance than molybdenum sulfide, lower friction coefficient, and higher compressive strengths. It is best used in conjunction with other lubricants for high temperatures, high pressure, high speeds, high loads, and equipment that runs in chemically active media. Combining other materials with forging and stamping oils can extend the life of the die, and increase the quality of the finished product. Filler material formulated with polytetrafluoroethylene and nylon for self-lubricating parts.
The supplier Tungsten Disulfide Powder
Tech Co., Ltd. () is a professional sulfide powder Over 12 years’ experience in chemical product development and research. We accept credit cards, T/T and West Union payments. We will ship goods overseas via FedEx, DHL and by air or sea to our customers.
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