... grade:441,553,2202,3303,411,421; 2.competitive price with good quality; 3.specizling in silicon metal; ... : Silicon metal is used in manufacturing a number of sorts of silicones, resins, and lubricants. 3. Used in ... metal is used in producing monocrystalline and polycrystalline silicon of high purity for electronic parts, such as semi ... min0.10%0.10%0.01%15ppm price of silicon metal 441,553,2202