1.Appearance: Shined with metallic 2.Purity: 4N 3.Si: 99.99% 4.Application: Widely used in fire-resistant material Industry Specifications4N Silicon Powder widely used in fire-resistant material Industry such as the casting material, apray coating material etcTrademark:4N Specifications:<45um, 45um-75um, 75um-120um,>120um Packing:Drum, 200kg or 250kg per drum Appearance:Metallic dark gray ...