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