1.Grade:553,441,411,331,3303,211,2202, 2.Size: 10-100mm,90% min. 3.MOQ: 24tons. 4. ... good castability and weldability accordingly. 2. Used in organic chemicals: Silicon metal is used in manufacturing a number of sorts of silicones ... lubricants. 3. Used in electronic parts: Silicon metal is used in producing monocrystalline and polycrystalline silicon of high purity for electronic parts, such ...