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By certification 
Specification:
The main grades our products cover:
Grade |
Si |
Fe(max) |
Al(max) |
Ca(max) |
P(max) |
553 |
98.5%min |
0.50% |
0.50% |
0.30% |
|
441 |
99% min |
0.40% |
0.40% |
0.10% |
|
421 |
99.2% min |
0.40% |
0.20% |
0.10% |
|
3303 |
99.3% min |
0.30% |
0.30% |
0.03% |
50ppm |
2202 |
99.5% min |
0.20% |
0.20% |
0.02% |
40ppm |
Packing: In 1mt big bags
Shipment: With in 15 days after placing the order
Appearance:Dark gray
Physical Property: High melting point and resistivity, good heat resistance and good anti-oxidation effect.
Particle Size: (10-100)mm.
Application and use:
1. Used in aluminum: An additive to aluminum alloys, silicon is used to increase the fluidity and tenacity of Aluminum and its alloys, which enjoy good castability and weldability accordingly.
2. Used in organic chemicals: Silicon metal is used in manufacturing a number of sorts of silicones, resins, and lubricants.
3. Used in electronic parts: Silicon metal is used in producing monocrystalline and polycrystalline silicon of high purity for electronic parts, such as semi conductors, etc.
http://www.wedenmetal.com/
