1. Silicon metal #2202 2. Grade:2202 specification:(10-100)mm; (50- ... , roil,rod, bar etc.), Silicon Metal(2202, 2502, 3103, 3303, 411, 421, 441, 553 etc.), Manganese Briquette.3. GradeComponentSi(%)min.Impuriry content ... .50.50.50.3-----4. Application: Silicon metal is also called industry silicon and crystal silicon, is a basic industrial raw materials, widely ...