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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.
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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 |
|
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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 |
|||
|
Fine powder |
3～5mm |
>90 |
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|
Ordinary powder |
3～10mm |
>90 |
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|
Crude powder |
10～50mm |
>90 |
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