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By certification 
Brief Introduction:
Silicon nitride powder with gray color is widely applied in steel-smelting, refractory, abrasion rubber, plastic , ceramic and high temperature sealing industries.
Data sheet:
Item |
（α-Si3N4） |
（β-Si3N4） |
|
Content |
α-phrase > 92% |
β-phrase > 95% |
|
|
(wt%) |
N |
> 38.0 |
> 39.0 |
O |
< 1.5 |
< 1.0 |
|
C |
< 0.1 |
< 0.1 |
|
Fe |
< 0.2 |
< 0.2 |
|
size（μm） |
200-800um ,customized size |
||
Features:
1,Excellent corrosion resistance, thermal conductivity, heat-shock resistance and abrasion resistance property. Silicon nitride powder can be used in the environment below 1800 degree.
2,Good anti-division property and stable chemical composition.
3,Low expansion coefficient, high thermal conductivity and strength..
4, Good oxidation resistance.
Application:
As a new material of modern industry, silicon nitride powder is widely applied in ceramic, refractory, steel smelting, non-ferrous metal metallurgy and rubber industries.
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