the ATOMIZED aluminum powder : gray drop of water form. Particle size:8~150 mesh, eyes,Loose pack Density:0.5~0.97g/cm3 Chemistry: Aluminum contains not smaller 98%, Activity not smaller 96%, Fe≤0.5%, Si≤0.5%, Cu ≤0.1%, H2O ≤0.2%. Use:The aluminum powder has to restore betterl function, be applicable to the explosive and make steel to take off the oxygen, catalyst and cast to turn over the sand take off mold an etc.