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By certification 
alloy silicon metal grade 441 for Metallurgy and aluminum ingot
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 |
Characteristics
Silicon metal is also called industrial or crystalline silicon.It is dark gray.Its characteristics are high melting point,good heat-resisting,high resistivity anti-oxidation.
Application
The silicon metal is manufactured with carbon type reducing agent and silica while silica is melting in furnace.It is mainly used in production of alloys(especially aluminum alloys),polycrystalline silicon,organic silicon materials and high-grade refractory material.
Packing
According to customer's demands
1. The product use fumo plastic woven bag packing. Packaging specifications for: 30 kg/bag, 25 kg/bag, 20 kg/bag, or 1 ton/bag.
2. In iron drums.
