1.purity:99.99 2.density:2.20g/cm3 3.refractive ... 05u) 4.transimssion band:0.20-9(um) Specifications4N Silicon Powder widely used in fire-resistant material Industry such ... 0001Applications: Applied for silicon nitride, silicon carbide, (silicon titanium, silicon aluminum) and other alloys, silicone, ceramics, electronics, military, chemical, and photovoltaic industries. 4n high purity silicon metal