... , roil,rod, bar etc.), Silicon Metal(2202, 2502, 3103, 3303, 411, 421, 441, 553 etc.), Manganese Briquette.3. GradeComponentSi(%)min.Impuriry content ... .00.40.40.1-----55398.50.50.50.3-----4. Application: Silicon metal is also called industry silicon and crystal silicon, is a basic industrial raw ...