... 2) Purity:99.7% & 99.5% 3) Use: Rubber,Food , Chemicals... 4) Packing: 25kg 5) ISO9001 Zinc oxide (ZnO), commonly known ... silicate products, synthetic rubber, lubricants, paint, medicines, adhesives, food, batteries, flame retardants and other relevant fields. Zinc oxide has large ... : 81.39 Properties: White or light yellow powder, density 5.606, melting point 1975 °, is an amphoteric oxide, soluble ...