What Is The Difference Between Silicon Metal 441 And 553?
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 …
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