1. Symmetrical particle size, small granularity distribution margin 2. High tap density 3. Good sphericity, low impurities High powder collection rate,high purity of aluminium powder,high level of aluminium activityPlace of Origin: Hunan China (Mainland)Brand Name: goldhorseModel Number: 4-5um,1-2umPlace of Origin: Hunan, ChinaBrand Name: goldhorseShape:tiny Spherical powderPurity: 99.85-99.995% ...