Material Properties

Composition - Modified Tungsten Disulphide (WS2 ) in laminar form.
Coefficient of Friction - 0.030 dynamic, 0.070 static. ( WS2 on WS2 )
Load Capacity - Same as substrate up to 350,000 psi
Adhesion - Molecular bond, no cure time, applied at ambient temperature
Temperature Range - Lubricates from -460oF to 1200oF ( -273oC to 650oC) in normal atmosphere, -350oF to 2400oF (-188oC to 1316oC) at 10-14 Torr
Chemical Stability - Inert, non-toxic, corrosion resistance. Non magnetic
Substrates - All ferrous and non ferrous metals, man-made solids /plastics
As A Substrate - Accepts most paints, all platings, is compatible with solvents, fuels and oils
LOX Compatibility - Insensitive to detonation by or in presence of oxygen
Hardness - approximately 30 Rockwell C
Thickness - 0.5 microns (0.000020 in)
Military Specification - Processed to DOD - L - 85645

Graphs:- Fricton vs Pressure Oxidation vs Temp

















Outgassing vs Temp Fricton vs Temp in Air














Fricton vs Temp n Argon

















WS2 Coatings Limited

Unit 17b, HOSM Ind. Estate, Holme on Spalding Moor, York, YO43 4BB
Call Dave Clark / Alan Davies on Tel. 01430 - 861222, Fax. 01430 - 861110