Appearance: Silvery metallic pellet Size: 15dia.* 10mm thickness; 35g/pc Common uses: As an additive in superalloys,for producing superhigh temperature materials,primal alloys for the parts of high-speed modern aeroplane engine and astro-aviation equipment. Chemical specification : Re 99.99%min(Calculated by subtractive method) Package: Plastic bottle inside with bag liner filled with inert gases.