1)Powder 2) Purity:80 ,120,325,400,500, ... Our company is specialized in the manufacturing zinc powder in mainland China. The zinc powder is achieved by distillation, appears gray color ... which has strong reducibility. Hence, zinc powder is good reductant. Specifications are 80 meshes, 120 meshes ... in dyestuffs, coating, metallurgy, chemical, pharmaceutical industry. zinc dust