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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:

  • Size: 10-100mm 90%min

  • Packing: in plastic woven bags of 1mt net each

  • 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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