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Tungsten Disilicde Powder, WSi2, CAS 12039-88-2

HMSP-1730

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Tungsten Disilicide (WSi2) Powder is a black-grey powder with a tetragonal crystal structure, often used as an electric shock material in microelectronics. The purity and particle size can be tailored according to specific requirements.

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Data sheet

Purity99.5% - 99.9%
CAS12039-88-2
Molecular FormulaWSi2

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Tungsten Disilicide (WSi2) Powder has the advantages of a high melting point, good stability, and low resistivity. Heeger Materials can provide high-quality Tungsten Disilicide (WSi2) Powder at a competitive price.

Tungsten Disilicide Powder, WSi2, CAS 12039-88-2

  • Formula: WSi2
  • Density: 9.3g/cm3
  • Melting point: 2160℃
  • Molecular weight: 240g/mol
  • CAS: 12039-88-2

Tungsten Disilicide Powder Chemical Analysis

Product

Purity (%)

Particle Size (D50)

Chemical Composition (%)

O

N

C

Si

HM-WSi2-1

>99.5

1-3μm

≤0.8

≤0.1

≤0.1

22.3-23.5

HM-WSi2-2

>99.9

-325mesh

≤0.5

≤0.05

≤0.1

22.3-23.5

Note

HM can provide different particle sizes according to customers' specific requirements.

Tungsten Disilicide Powder Properties

Tungsten Disilicide Powder - SEM

  • Good oxidation resistance
  • Soluble in fluorine aqua regia
  • Insoluble in water
  • Reacting violently to many substances

Tungsten Disilicide Powder Applications

  • Used in microelectromechanical systems
  • Used in oxidation-resistant coatings
  • Used as a shunt over polysilicon lines to increase their conductivity and increase signal speed

Tungsten Disilicide Powder Storage and Packing

Tungsten Disilicide (WSi2) Powder should be kept sealed and stored in a dry and cool place, avoiding being exposed to air. The vacuum packing is 100g/bag, 500g/bag, 1kg/bag, 25kg/drum, or as required.


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