... Purity:99.95%-99.98%; 3.Surface state:Polishing,Black,Sintering; 4.Package:wooden case ; 5.Brand:AMC 6, ... technique and Chinese lower cost materials, we are supplying high quality Refractory Metal products to different customers. These products are ... widely used in different areas, like Aerospace, Nuclear, High-temperature Furnace, Glass, Ceramics, Crystal Growing, Medical Appliance, Light ...