Silicon Metal
Silicon metal is a product smelted in a submerged arc furnace with silica and carbonaceous reducing agent. The main component of silicon is about 98% (in recent years, 99.99% of Si is also listed in silicon metal), and the remaining impurities It is iron, aluminum, calcium, etc. Due to its different uses, it is divided into multiple specifications. According to the content of iron, aluminum and calcium in the silicon metal, the silicon metal can be divided into 553, 441, 411, 421, 3303, 3305, 2202, 2502, 1501, 1101, etc. Different grades.