1.Appearance: Shined with metallic 2.Purity: 4N 3.Si: 99.99% 4.Application: Widely used in ... such as the casting material, apray coating material etcTrademark:4N Specifications:<45um, 45um-75um, 75um-120um,>120um Packing:Drum, 200kg or ... other alloys, silicone, ceramics, electronics, military, chemical, and photovoltaic industries. high purity 4n silicon metal