we are the manufacture factory ,also sale this products ,we can make the packing as your request ! Appearance: dark brown metal powder, easy in the air by oxidation, the wet, the high temperature. Uses in additive of Special Metal y powder purity: 99%, 99.5%, 99.9%, 99.99% and, and high purity metal y powderOther impurity content were lower than that of the industry standard. :USES: metal y ...