... : Zinc oxide white hexagonal crystal system crystalline or powder; odorless, nontoxic, and fine and smooth. Relative density is 5.606, refractive ... , catalysts, magnetic materials and etc.Processing Method: Heat zinc ingot to 1000°C to have it melted and gasified, and then import hot air ... bag. (Packed at the request of clients) Load in 20' Container: 20TGross Weight: 25.25KG Net Weight: 25KGH.S ...