Graphite - Natural flecks and Amorphous power

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Coating and Slag Remover

Graphite - Natural flecks and Amorphous power

Application :
Graphite is generally greyish-black, opaque and has a lustrous black sheen. It is unique in that it has properties of both a metal and a non-metal. It is flexible but not elastic, has a high thermal and electrical conductivity, and is highly refractory and chemically inert.
There are two main classifications of graphite, natural and synthetic.

Natural Graphite
Natural Graphite is a mineral consisting of graphitic carbon. It varies considerably in crystallinity. Most commercial (natural) graphites are mined and often contain other minerals. Subsequent to mining the graphite often requires a considerable amount of mineral processing such as froth flotation to concentrate the graphite. Natural graphite is an excellent conductor of heat and electricity. It is stable over a wide range of temperatures. Graphite is a highly refractory material with a high melting point (3650°C.)
Natural graphite is subdivided into three types of material:

  • Amorphous
  • Flake
  • High Crystalline
  • Amorphous Graphite
    Amorphous graphite is the least graphitic of the natural graphites. However, the term "amorphous" is a misnomer since the material is still crystalline. Amorphous graphite is found as minute particles in beds of mesomorphic rocks such as coal, slate or shale deposits. The graphite content ranges from 25% to 85% dependent on the geological conditions.

    Uses :
    Mostly is refectories and coating of mould in prose foundries. Amorphous Graphite have also used in manufacture in Brake Pad.

    specification :
    THEVA offers the following specifications of Graphite

    Graphite - Natural flecks and Amorphous power

    Composition (%)
    (90% mm.)
    Natural Graphite
    Amorphous Graphite
    Fixed Carbon
    80.00 Min.
    80.00 Min.
    85% passing through 200 Mesh
    20.00 Max.
    20.00 Max.
    85% passing through 200 Mesh
    0.50 Max.
    2.00 Max.
    Packing  :  In 25 Kgs. Paper Bags

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