【Know Tungsten】What is Tungsten Disulfide

1. What is Tungsten Disulfide?

Tungsten disulfide is an inorganic chemical compound composed of tungsten and sulfur with the chemical formula WS2.

2.Tungsten Disulfide Property

Physical property

Chemical formula is composed by one molecular of tungsten, two molecular of sulfur. Appearance is grey powder. Stable in the air, insoluble in water, alcohol, dilute nitric acid and sulfuric acid. CAS number is 12138090.

Chemical property

Main content of tungsten disulfide is tungsten disulfide with over 99.9 percent. Other impurity content such as ferro, aluminum, arsenic, bismuth are controlled within limits according to national standard.

3.Tungsten Disulfide Producing Process

Synthesize tungsten powder and sulfur powder in the atmosphere of pure nitrogen under 800~900℃, it will obtain tungsten disulfide

4.Tungsten Disulfide Application

Tungsten disulfide application includes high-grade carbon brush wear-resistant lubricant,lubricating agents in solid lubricants, for the production of self-lubricating parts and PTFE and nylon and other materials, solid anti-friction coating.

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