25kg/bag Purity 80%,85%,90%,92%,95%,96%, 97%,98%,99%,99.5%, 99.7%, 99.8% to 99.9% industrial and feed grade various purity via high productivitydirect and indirect method both availableindustrial and feed grade Industrial grade:80%,85%,90%,92%,95%,96%, 97%,98%,99%,99.5%, 99.7%, 99.8%, 99.9%Feed grade: 72%, 75%,78.6% Min. order quantity: 22MT for 20'FCL;Packaging: 25kg/bag or as buyer's ...