... Silver gray or Dark gray metallic luster powder. Heat-resistance and good performance. Usage The Silicon metal has wide application. For example, producing ... etc. Chemical Composition We could supply all kinds of slicon metal, eg.553#,441#,421#,3103#,2503#,2202#,1515#,etc. According ... us!!! Anyang HuaXin Metallurgy Fire-Resistant Material Co., LTD supply silicon metal powder 95#