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Formula: WS₂
Form: Powder
Material: Tungsten Disulfide
CAS Number: 12138-09-9
Commodity: Compounds
Purity: 99.5%
Tungsten Disulphide Powder (WS₂) is a layered transition-metal dichalcogenide characterized by low friction, high lubricity, and excellent thermal stability. Its lamellar structure allows easy shear between layers, making it a superior solid lubricant under extreme pressure and temperature. Industries including aerospace, automotive, and electronics employ WS₂ powder for dry lubrication, protective coatings, and high-performance composites. Specific applications include self-lubricating bearings, friction-reducing coatings in spacecraft mechanisms, and filler materials in polymer composites for enhanced wear resistance. In research, WS₂ powder is studied for its tribological behavior, two-dimensional nanostructures, and potential use in energy storage devices such as lithium-ion batteries. Its ability to provide lubrication under vacuum and high-temperature conditions ensures ongoing importance in advanced engineering and materials science.
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Tolerances

Powder
Mean Particle Size Nominal
Minimum Particle Size Nominal
Maximum Particle Size Nominal
Maximum Particle Size Nominal
Particle Size D10 Nominal
Particle Size D50 Nominal
Particle Size D90 Nominal

Material Properties for Compounds

Physical Properties
Element Value
Density( gcm⁻³ ) 7.5

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