... -100mm,0-3mm,0-5mm Professional manufacture SPECIFICATIONS: 1.Name:Silicon metal #441. 2.Grade: #441,#553,#3305,#3303,#2202,#1101 ... industries and chemicals. 3.Used in producing monocrystalline and polycrystalline silicon of high purity for electronic parts, such as semi conductors ... Automobbile wheel alloy. 5.Chemical Compositions as below: Hot-sell Silicon Metal 441