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Metal silicon powder

source：admintime：2023/7/17 15:27:06hits：

Product description:

Metal silicon powder is powdered silicon powder obtained by grinding metal silicon (industrial silicon).

Metal silicon, also known as crystalline silicon or industrial silicon, is mainly used as an additive for non-ferrous alloys. Industrial silicon is also used as an alloying agent for demanding silicon steel, a deoxidizer for smelting special steel grades and non-ferrous alloys. After being processed by a series of processes, industrial silicon can be drawn into monocrystalline silicon for use in the electronics industry.

Grade	Composition
	si Content	Impurities(%)
	si Content	Fe	Al	Ca
1501	99.69	0.15	0.15	0.01	≤0.004%
1502	99.68	0.15	0.15	0.02	<0.004%
1101	99.79	0.1	0.1	0.01	<0.004%
2202	99.58	0.2	0.2	0.02	<0.004%
2502	99.48	0.25	0.25	0.02	<0.004%
3303	99.37	0.3	0.3	0.03	<0.005%
411	99.4	0.4	0.1	0.1	<0.005%
421	99.3	0.4	0.2	0.1
441	99.1	0.4	0.4	0.1	-
551	98.9	0.5	0.5	0.1
553	98.7	0.5	0.5	0.3

Product nature

The composition of metal silicon is mainly silicon, so it has similar properties to silicon. The properties of metal silicon are similar to those of germanium, lead and tin, and have semiconductor properties.

Product category

The classification of metal silicon is usually classified according to the content of three main impurities of iron, aluminum and calcium contained in the metal silicon component. According to the content of iron, aluminum and calcium in metal silicon, metal silicon can be divided into 553, 441, 411, 421, 3303, 3305, 2202, 2502, 1501, 1101 and other different grades.

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