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Silicon Metals

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.

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

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.

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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