aluminum powder CNPC POWDER Al>99.7% D50 1-3um,D50 4-6um D5013-16um,D5020-25um,D5030-38um ALUMINUM POWDER TECHNICAL DATA FEATURES Apperance: sliver white, fine and smooth APPLICATIONIt's mainly used in deoxidiser in steel-making or reducer in chemical industry. SPECIFICATION Chemical CompositionAlFeCuSiZnC%≥99.7≤0.1≤0.01≤0.1≤0.005≤0.005100mesh, 200mesh, 300mesh, 400 mesh,,800mesh, 1000mesh, ...