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Industrial Silicon quality standards
2202
 
3301
411
 
553
441
 
421
Petroleum coke quality standards
Number One
 
Number Two
Nnumber Three
 
Number four
Others
   
  Poducts of Our Company :Silicon 2202  
   
 
 
Grade
Si Content
Not less than%
Impurity content is not more than£¨%£©
 
Impurity aggregate
Fe

Al

Ca
P
2202
99.70
0.20
0.03
0.02
0.005
0.30
 
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