... : tungsten carbide, diamond tool,Battery Materials, Magnetic Materials . tungsten powderFormula: CoAppearnce: Grey powder, Type of spherical particles, odourless, not dissolve in ... in the air.Applications: tungsten carbide, diamond tool,Battery Materials, Magnetic Materials .Packing: inner package: In Vacuum aluminum foil bags, 1KG ... package: iron drum, net weight 25kg or 50kg each. tungsten powder