Ferro alloy
Industrial Silicon Alloy Silicon Metal Lump 553 441
Silicon Metal processed by excellent industrial silicon and including full varieties. Used in electro, metallurgy and chemical industry. It is silver gray or dark gray lump with metallic luster, wh...
DESCRIPTION
Silicon Metal processed by excellent industrial silicon and including full varieties. Used in electro, metallurgy and chemical industry. It is silver gray or dark gray lump with metallic luster, which be of high melting point, good heat resistance, high resistivity and superior oxidation resistance,which is an essential basic raw material in hi-tech industry.
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Grade
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Chemical Composition (%)
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||||
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Si
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Fe
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Al
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Ca
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||
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Min
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Max
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Max
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Max
|
||
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553
|
98.5
|
0.5
|
0.5
|
0.3
|
|
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441
|
99
|
0.4
|
0.4
|
0.1
|
|
|
421
|
99.1
|
0.4
|
0.2
|
0.1
|
|
|
3303
|
99.3
|
0.3
|
0.3
|
0.03
|
|
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