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Rulon Bearings

BryCoat WS2 Tungsten Disulfide Coating
Categories: Ceramic; Sulfide/Chalcogenide; Other Engineering Material; Ceramic/Metallic Coating

Material Notes: WS2's unique, extensively modified lamellar composition of tungsten disulfide results in a high performance dry coating lubricant. A pressurized air application processes impinges a dry metallic coating without heat, binders, or adhesives. The lubricant coating bonds instantly to any metal or resin substrate with a thickness of 0.5 µm (0.020 mil).

Benefits and Capabilities of WS2:

  • Solves problems such as friction, excessive wear, seizing, galling, and fretting.
  • Overcomes or reduces mechanical lubrication problems, improving performance and service life.
  • Maintains the dimensional integrity of the substrate to within 0.5 µm with no build-up
  • Withstands up to 300,000 psi (>2000 MPa) or load capacity of substrate.
  • Offers 100% lubricity throughout its texture
  • Is inert, non-toxic, non-distortive, non-corrosive, and resistant to most fuels and solvents.
Information provided by BryCoat, Inc.

Key Words: Hard Ceramic Coatings; Brycoat; Mold Coating; Aerospace Coatings
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 7.40 g/cc0.267 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell C 3030
Coefficient of Friction, Dynamic 0.0300.030
Coefficient of Friction, Static 0.0700.070
 
Thermal PropertiesMetricEnglishComments
Maximum Service Temperature, Air 650 °C1200 °Fin normal atmosphere
Maximum Service Temperature, Inert 1316 °C2401 °Ffrom -188°C to 1316°C at 10-14 Torr
Minimum Service Temperature, Air -273 °C-459 °Fin normal atmosphere

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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