| |
|Industrial Silicon|---
Fused by quartzite(SiO2:98.5%min)and other materials。Silver
grayCrystal。Used in aeronautic,metallurgy,electro and chemical
industry。
National Standard Of Silicon Metal GB 2881-91
Name |
Style |
Chemical Composition |
Application Range |
Si(Min) |
Impurity,Max≤ |
Fe |
Al |
Ca |
Class A |
Si-A |
99.3 |
0.4 |
0.2 |
0.1 |
Chemistry Silicon |
Class B |
Si-B |
99.0 |
0.5 |
0.3 |
0.2 |
First Class |
Si-1 |
98.5 |
0.6 |
- |
0.3 |
Metallurgy Silicon |
Second Class |
Si-2 |
98.0 |
0.7 |
- |
0.5 |
Third Class |
Si-3 |
97.0 |
1.0 |
- |
1.0 |
|
|

Enterprise Standard Of Silicon Metal
|
Style |
Chemical Composition |
Si(Min) |
Impurity,Max≤ |
Fe |
Al |
Ca |
Si-2202 |
99.5 |
0.2 |
0.2 |
0.02 |
Si-3303 |
99.3 |
0.3 |
0.3 |
0.03 |
Si-411 |
99.3 |
0.4 |
0.1 |
0.1 |
Si-421 |
99.2 |
0.4 |
0.2 |
0.1 |
Si-441 |
99.0 |
0.4 |
0.4 |
0.1 |
Si-553 |
98.5 |
0.5 |
0.5 |
0.3 |
|
|
| |
|Silicon Powder|---
Processed by excellent industrial silicon
and including full varieties。Used in electro,metallurgy and
chemical industry。
|

Entreprise Standard Of Silicon metal powder
|
Product Specification |
Leftovers Of Sieve(Weight) |
2mm-10mm |
———— |
500μm-180μm(30目-80目) |
+500μm≤3% |
-180μm≤10% |
425μm-150μm(40目-100目) |
+425μm≤5% |
-150μm≤15% |
250μm-140μm(60目-110目) |
+250μm≤3% |
-140μm≤10% |
125μm-74μm(120目-200目) |
+125μm≤3% |
-74μm≤10% |
-74μm(-200目) |
+74μm≤5% |
-44μm(325目) |
+44μm≤5% |
5μm-1μm(2500目-12500目) |
+5μm≤5% |
To process all styles of silicon metal on the manual. For specific composition, please refer to stsndard sheet.
|
|
| |
|
|