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Silicon Metal production process

Silicon metal is the important raw materials of modern industry. it's the major raw materials of aluminum alloy ingots, polycilion and silicone.

Each process of silicon metal production ,starting from preparing raw materials , cleaning the quartz, smelting, casting, crushing into pieces, testing, weighing, packaging & shipment, is controlled strictly so as to make sure the quality . 


Silicon Metal specification:



Grade Si  max. Fe  max. Al  Max. Ca  max.
97 silicon 97.0% 1.5% 1.0% 0.3%
553 silicon 98.5% 0.5% 0.5% 0.3%
551 silicon 98.5% 0.5% 0.5% 0.1%
441 silicon 99.0% 0.4% 0.4% 0.1%
421 silicon 99.3% 0.4% 0.2% 0.1%
3303 silicon 99.3% 0.3% 0.3% 0.03%
2202 silicon 99.5% 0.2% 0.2% 0.02%
Size: 10-100mm,90%min. or as per the requirement of customers
packing: 1000kg net each bag

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