Magnesium powder Appearance:Gray powder Particle Size: 180 to 900 micron Al purity:>99.9% Magnesium Powder for FireworksSpecification: ItemAppearanceAl Purity ParticleSizeImpurity Content Bulk DensityTechnicalDataSilvery gray non-sphericalpowder99.9%180 to 900micronFe<0.2%Ci<0.005%H2O <0.1%0.5-0.8g/cm3 Package, transport, and storage50 kgs of Weaved bags or drums with lined plastic bags, but it ...