... %, 99.7%, 99.8%, , 98%, 95%Grade Standard: Electron, Rubber, Agriculture, Ceramics, painting, Nano Grade etc.Packing: 25kg or 50 pp woven ... chemical industry.Specifications- Direct Zinc Oxide 99.5% ~90%, etc.- Indirect ZnO: 99.9%~99.7%, etc.- Feed Grade ZnO: 75%~65%, ... etc.- Calcined ZnO: 99.5%Here is our general specification: (Direct process zinc oxide quality meet ...