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Sinotek Materials Tungsten Disulfide (WS2) Powder, High-Purity

Category Ceramic , Sulfide/Chalcogenide , Other Engineering Material , Ceramic/Metallic Coating
Manufacturer Sinotek Materials
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Sinotek Materials Tungsten Disulfide (WS2) Powder, High-Purity.pdf
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Material Notes:
Tungsten Disulfide powder mainly has applications in spraying, coating, carbon material, all sorts of grease, lubricating oil, friction materials and catalysts. Tungsten Disulfide has good resistance to corrosion, however cannot avoid corroding base materials completely. This product is chemically inert, non-magnetic, and is available in blue and grey. This product is processed to meet military specification DOD-L-85645.Information provided by Sinotek
Physical Properties Metric English Comments
Density 7.40 g/cc
0.267 lb/in³
Thickness 0.0127 microns
0.000500 mil
0.000020 in
Mechanical Properties Metric English Comments
Hardness, Rockwell C 30
30
Coefficient of Friction, Dynamic 0.030
0.030
WS2 on WS2
Coefficient of Friction, Static 0.070
0.070
WS2 on WS2
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 650 °C
1200 °F
Normal atmosphere
1316 °C
2401 °F
At 10-14 Torr
Minimum Service Temperature, Air -273 °C
-459 °F
Normal atmosphere
-188 °C
-306 °F
At 10-14 Torr
Component Elements Properties Metric English Comments
Sulfur, S 25.82 - 26.5 %
25.82 - 26.5 %
Tungsten, W 73.5 - 74.3 %
73.5 - 74.3 %
Descriptive Properties Value Comments
Load Capacity psi 100000
Purity WS2 wt% 99-99.9
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