product information:
Name: Tungsten Disilicide
Purity: ≥99.5 single phase


Particle size: D50: 5~10 microns


Density: 9.40g/cm3


Melting point: 2165°C


Properties: black-gray metal powder


Uses: WSi2 is often used in microelectronics as an electric shock material, shunt on polysilicon wire, anti-oxidation coating and resistance wire coating agent






Tungsten disilicide, also known as tungsten silicide, is an inorganic silicide. Tungsten disilicide is a black-gray (blue-black) tetragonal crystal.


Chinese name tungsten disilicide


The foreign name is Tungsten disilicide.


Molecular formula WSi2


Molecular weight 240. 01


Solubility insoluble in water


Physical and chemical properties:


The physical properties are as follows: Chemical formula: WSi2, melting point 2165°C,


The density is 9.3g●cm3, the melting point is 2160°C (3920. F, 2, 430K),


It has good oxidation resistance and is soluble in aqua regia but insoluble in water. .


The chemical properties of tungsten disilicide are as follows: it can interact with many substances


Violent reactions, such as strong acids, fluorine, oxidants and interhalogen compounds.


Application areas:


WSi2 is often used as an electric shock material in microelectronics, where the resistance


It is 60-80μ Q cm. At the same time, it is often used as a shunt on the polysilicon line,


Thereby increasing the conductivity and signal speed of the polysilicon line

Warm tip: the products supplied by Beijing Beike Xincai Technology Co., Ltd. are only used for scientific research, not for human body