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What is Tungsten Disulfide Powder?

Posted on 2023-05-12

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 of the material 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 has a reducibility, which allows it to react with hot concentrated sulfic acid, nitric and other strong oxygenants. [1] It decomposes when heated to 1250 under vacuum. In a dry stream with pure nitrogen, the mixture tungsten trisulfide-sulfur is co-heated at 900degC, to eliminate excess sulfur. The residue is tungsten dioxide.


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 product’s finish. 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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