Agriculture Grade, Industrial Grade Specifications1) manganese oxide 60% to 99% 2) Professional ... Uses:material of ferrite, drier of coating and varnish, catalyst, feed aids, trace element fertilizer, or used in medicine, smelting, ... specification: Index nameIndex Manganese oxide(MnO),%60627077809099Mn ,%46485460627076H2O ,% ≤0.50.50.50.50.50.50.5Pb ,% ≤0.0020.0020.0020.0020.0020.0020.002Cd ,%≤0 ...