2015 hot on sale Silicon Metal 553 441 331
2015 hot on sale Silicon Metal 553 441 331
2015 hot on sale Silicon Metal 553 441 331
2015 hot on sale Silicon Metal 553 441 331

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2015 hot on sale Silicon Metal 553 441 331

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Model No. : 441 553 3303
Brand Name : grade A

Product description

Specifications Good quality with competitive price! 1. Silicon metal 553 2. Appearance: Dark gray
3. Physical Property: High melting point and resistivity, good heat resistance and good anti-oxidation effect.
4. Particle Size: (10-100)mm.
5. Packing: Polyethylene plastic bag, MT bag packing.
6. Net weight:1000kg/bag, Gross weight:1003kg/bag.   Specifications silicon metal grade 441 553 3303 
1.13 years' professional experience 
2.Controlled composition&size 
3.ISO&SGS QA silicon metal grade 441 553 3303           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 powder with metallic luster, which be of high melting point, good heat resistance, high resistivity and superior oxidation resistance, it's called "industrial glutamate", which is an essential basic raw material in hi-tech industry.       Application   1) Widely applied to refractory material and power metallurgy industry to improve the heat resistance, wear resistance and oxidation resistance.
2) In the chemical line of organic silicon, industrial silicon powder is basic raw material that high polymer of organic silicon formatting.
3) Industrial silicon powder is sublimated into monocrystalline silicon, which is widely used in highttech field as an essential raw material for integrated circuit and electronic element.   4) In metallurgy and foundry line, industrial silicon powder is regarded as to be iron base alloy additive, the alloy pharmaceutical of silicon steel, thus improve the steel hardenability.   5) These are used in high-temperature material production in order to manufacture enamels and pottery. These also cater the demands of semiconductor industry by producing ultra-pure silicon wafers.      Specification   Composition Analysis:    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

 
   
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