... density 3. Good sphericity, low impurities High powder collection rate,high purity of aluminium powder,high level of aluminium activityPlace of ... 5%-99.7% High purity atomized spherical aluminium powder 1.High-purity low impurity ; 2.Fine spherical particle shape 1 ... metal power,ceramic composite steel tube).c. Military industry (powder,ammunition stuffing)d. Aviation (rocket solid propellant)e. ...