Metal Purity Particle Appearance Application
Al 99.7% Upon a request Light grey  Exclusives, Chemicals, Paint
Cobalt 99.5% Upon a request Dark grey  Powder alloy,
 Hard metals,
 Cutting tools
Nickel 99.5% Upon a request Dark grey  Powder alloy,
 Hard metals,
 Cutting tools
Iron 99.5% Upon a request Light grey  Sintered powder metal
Fe-Al Fe(50) : A(50) Upon a request Dark grey  Metal coating
Copper 99.7% 19 ~ 19g/cm3 pink  Electronics materials
Ag coated Cu Silver  Electronics materials