... %,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 ... quantity: 22MT for 20'FCL;Packaging: 25kg/bag or as buyer's sightDelivery time: 20 days after received 30% T/T ...