... 7%, 99.8% to 99.9% industrial and feed grade various purity via high productivitydirect and indirect method both ... availableindustrial and feed gradeIndustrial grade:80%,85%,90%,92%,95%,96%, ... 99.8%, 99.9%Feed grade: 72%, 75%,78.6%Min. order quantity: 22MT for 20'FCL;Packaging: 25kg/bag ... or L/C. 99.7% pure Zinc oxide powder, industrial and feed grade