Tribotecc® WS 2 Tungsten Disulfide (98.5% purity)

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Description

Tribotecc® WS 2 Wolfram Sulfide is a powder with a high tungsten content (74%) and purity (at least 98.5%).

The key benefits of Tribotecc® WS 2 as an additive are:

  • High melting point
  • Increases corrosion-resistance
  • Low Mohs hardness
  • Stable layers of different contact surfaces over a wide temperature and pressure range
  • Excellent tribological characteristics und extensibility

  • This material data has been provided by Tribotecc.

    All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
    Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

    Ashby charts

    Properties

    General

    PropertyValueComment

    Density

    7.5 g/cm³

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    Particle size D50

    3 μm

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    Particle size D90

    7 μm

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    Volatile share

    0.1 %

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    at 105°C

    Mechanical

    PropertyValue

    Hardness, Mohs

    1.0 - 2.0 [-]

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    Thermal

    PropertyValueComment

    Max service temperature

    400.0 °C

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    Melting point

    1250.0 °C

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    Oxidation threshold

    400.0 °C

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    min.

    Specific heat capacity

    324.0 J/(kg·K)

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    Thermal conductivity

    1.131 W/(m·K)

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    Thermal diffusivity

    0.58 mm²/s

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    Electrical

    PropertyValue

    Electrical conductivity

    2.0 S/m

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    Electrical resistivity

    0.5 Ω·m

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    Chemical properties

    PropertyValue

    Tungsten

    74.0 %

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    Technological properties

    Property
    Application areas

    Tribotecc® WS 2 Wolfram disulfide is characterised by a particularly high melting point and low metal hardness.

    Combined with the ability to form stable layers of different contact surfaces over a wide range of temperatures and pressures, and excellent wear, friction and alloying properties as an additive, this product is ideal for a wide range of applications:

    E.g. in the plastics-, sinter-, automotive- , machinery- and construction industries as well as in ceramics and medical technology.

    Color

    Grey