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Silicon Metals
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1.Characteristics:
Silicon metal is
also called industrial silicon or crystalline silicon. The color is dark
gray. It has high melting point, superior heat resistance, resistivity and
excellent anti-oxidization. The usual size of industrial silicon area is
in the range of 10~100MM or
2~25MM.
2.Technical indicators:
|
Specification |
Chemical
compositions% |
|
Impurities
≤ |
|
Fe |
Al |
Ca |
|
2202 |
0.2 |
0.2 |
0.02 |
|
3303 |
0.3 |
0.3 |
0.03 |
|
411 |
0.4 |
0.1 |
0.1 |
|
421 |
0.4 |
0.2 |
0.1 |
|
441 |
0.4 |
0.4 |
0.1 |
|
553 |
0.5 |
0.5 |
0.3 |
3. Application:
Silicon metal is
manufactured with carbonaceous reducing agents and silica in hot stove.
Mainly used in production of alloys especially aluminum alloys,
poly-crystalline silicon and organic silicon materials.
4. Size, Packing, Usage:
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Size: 10-100mm 90%min
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Packing: in plastic woven bags of 1mt net each
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Silicon Metal Usage: mainly in aluminium alloy and
chemical industry. The semiconductor industry, which manufactures chips
for computers from high-purity silicon, accounted for only a few percent
of silicon demand.

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