|
Compositions |
Specifications |
|
W |
73.77% - 74.27% |
|
WS2 |
>99.9% |
|
H2O |
< 0.20% |
|
Fe |
<0.003% |
|
Cd |
<0.002% |
|
Cu |
<0.003% |
|
Mg |
<0.002% |
|
Pb |
<0.002% |
|
Properties |
Tungsten Disulfide (WS2) |
|
CAS Number |
12138-09-9 |
|
Colour |
Silver Gray |
|
Appearance |
Crystalline Solid |
|
Melting Point |
1250 ℃, 1260 ℃ (decomposes) |
|
Boiling Point |
1260 ℃ |
|
Density |
7500 Kg/M3 |
|
Molecular Weight |
248 |
|
Coefficient of Friction |
0.03 Dynamic; 0.07 Static |
|
Load bearing ability |
300,000 psi for coated film |
|
Lubrication Temperature Range |
Ambient: from -273℃to 650℃ Vacuum(10-14 Torr): from -188℃ to 1316 ℃ |
|
Chemical Durability |
Inert Substance, Non-Toxic |
|
Magnetism |
Non-Magnetic |
|
Rockwell Hardness |
30 HRc |
|
Coating Specifications |
Spray Blast substrate with Cold and Dry Air at 120 PSI |
|
Coating Film Thickness |
0.5 micron |
|
Corrosion Stability |
Can slow down the corrosion rate, but can not fully prevent substrate corrosion |
|
Coatable Substrates |
Iron, Steel, Aluminum, Copper, other metals, Plastics and Manmade Solids |
|
Compatibility |
Oil, Solvent, Paint, Fuel, Water, Resin/Plastic, |

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