Tribotecc® BIS 84 Bismuth Sulfide (98.5% purity)

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Description

Tribotecc® BIS 84 Bismuth Sulfide is a powder with a high bismuth content (80 %) and purity (at least 98.5%).

The key benefits of Tribotecc® BIS 84 as an additive are:

  • Low melting point
  • High electrical resistance
  • Low Mohs hardness
  • Forms protective layers of different contact surfaces over a wide temperature and pressure range
  • Excellent tribological characteristics
  • Contains bismuth as a non-toxic substitute instead of toxic heavy metals

  • 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

    6.8 g/cm³

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    Particle size D50

    2 μm

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    Particle size D90

    5 μm

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    Sieve residue 45μm

    1.0 %

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    max.

    Volatile share

    0.1 %

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    at 105°C

    Mechanical

    PropertyValue

    Hardness, Mohs

    2 [-]

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    Thermal

    PropertyValueComment

    Max service temperature

    400.0 °C

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    Melting point

    685.0 °C

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    Oxidation threshold

    400.0 °C

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    min.

    Specific heat capacity

    280.0 J/(kg·K)

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    Thermal conductivity

    0.379 W/(m·K)

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    Thermal diffusivity

    0.252 mm²/s

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    Electrical

    PropertyValue

    Electrical conductivity

    0.061 S/m

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    Electrical resistivity

    16.0 Ω·m

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    Chemical properties

    PropertyValue

    Bismuth

    80.0 %

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    Sulfur

    17.0 - 20.0 %

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    Technological properties

    Property
    Application areas

    Tribotecc® BIS 84 bismuth sulfide is characterised by a particularly low melting point and low metal hardness.

    Combined with the ability to form protective 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-, automotive-, machinery- and construction industries as well as in ceramics and medical technology.

    Color

    Grey