... 026Al2O3 :<5%Molecular Weight86.94Finess :100-400meshSolubilityInsoluble in water and nitric acid, soluble in acetone Description of manganese dioxide Appearanceblackish or ... termsTT ,L/C, D/P,EXWOriginXiangtan city,Hunan province,China.Delivery time5-10 days after receipt of advance.MOQ20 tonsPriceDepend ... quantity needed.Usageceramics, pigments, dry cells, water treatment manganese dioxide in China