Each grade of silicon metal has its own specific meaning, for example, 553/441/2202/3303, etc., which means that the silicon content is greater than or equal to 98.5%, divided into three types of impurities: iron, aluminum, and calcium (in order) Of subcategories.
Metallic silicon 553 represents that the industrial silicon contains iron less than or equal to 0.5%, aluminum content is less than or equal to 0.5%, and calcium content is less than or equal to 0.3%;
Metallic silicon 441 Industrial silicon means iron content is less than or equal to 0.3%, aluminum content is less than or equal to 0.3%, calcium content is less than or equal to 0.1%, and so on, due to customary reasons.
Metallic silicon 2202 is also abbreviated as 220, which means that calcium is less than or equal to 0.02%. The industrial silicon at the beginning of 2 is generally called chemical silicon.
Zhenxin Metallurgy supply Silicon metal 1101,2202, 3303, 441, 553
Samples: Free
MOQ: 25 tons
Usage: Metallurgical industry
Packing: 1ton/bag, or as customers’ requirement
Size:200mesh, 0-3mm, 10-50mm, or as customers’ requirement
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