As one of the metallurgical materials purchased in large quantities by manufacturers, silicon slag has an irreplaceable advantage. The price of silicon slag is relatively low compared with other ferroalloy products, but it has a wide range of uses. Silicon slag is the residue left after the refining of silicon ore, which also contains a lot of silicon content.The use of silicon slag is also more extensive.http://www.kxgalloy.com/silicon-slag/