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Ferro Silicon Nitride
Product profile:Ferro Silicon Nitride
The main component of Ferro silicon Nitride is Silicon nitride, along with the free-Fe, un-nitride ferro silicon and a small amount of mixture of other ingredients. Refractory grade ferro silicon nitride powde is gray-white (or dark brown) powder, steelmaking grade ferro silicon nitride is gray-white granular material.
1. Chemical Composition (%) |
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Element |
Si3N4 |
Si |
N |
Fe |
Al+Ca |
Content |
75~80 |
47~51 |
30~33 |
12~16 |
<2.5 |
70~75 |
49~52 |
28~30 |
12~16 |
<2.5 |
|
2. Particle size distribution |
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(1) Powder (%) |
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Particle size |
-45μm |
-45μm~-75μm |
+75μm~-150μm |
+150μm |
-75μm |
Fine powder |
>80 |
5~1.5 |
<3 |
0 |
95~100 |
Ordinary powder |
70~80 |
10~20 |
8~15 |
<3 |
85~95 |
Crude powder |
60~70 |
10~16 |
10~16 |
<8 |
65~80 |
(2) Granular |
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Item |
Particle size |
Percentage |
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Fine powder |
3~5mm |
>90 |
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Ordinary powder |
3~10mm |
>90 |
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Crude powder |
10~50mm |
>90 |