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These Silicon Metal is also called industrial silicon or crystal silicon. It is mainly used in producing organosilicon, high-purity semiconductor materials and manufacturing other alloys as an addictive. In accordance with the content of iron, aluminium and calcium, silicon metal can be divided into 553, 441, 421, 3303, 3302, etc. We are one of the main trading company in the line in China, providing products with the good quality and best price. Grade Si(min) Fe(max) Al(max) Ca(max) 553 98.5 0.5 0.5 0.53 441 99 0.4 0.4 0.1 4502 99 0.4 0.5 0.02 421 99 0.4 0.2 0.1 411 99 0.4 0.1 0.1 3303 99 0.3 0.3 0.03 2202 99 0.2 0.2 0.02
These Silicon Metal is also called industrial silicon or crystal silicon. It is mainly used in producing organosilicon, high-purity semiconductor materials and manufacturing other alloys as an addictive. In accordance with the content of iron, aluminium and calcium, silicon metal can be divided into 553, 441, 421, 3303, 3302, etc. We are one of the main trading company in the line in China, providing products with the good quality and best price. Grade Si(min) Fe(max) Al(max) Ca(max) 553 98.5 0.5 0.5 0.53 441 99 0.4 0.4 0.1 4502 99 0.4 0.5 0.02 421 99 0.4 0.2 0.1 411 99 0.4 0.1 0.1 3303 99 0.3 0.3 0.03 2202 99 0.2 0.2 0.02
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