... relative density is 3.31, deliquescent in air, easy to dissolve in water, slightly dissolve in sterols, insoluble in acetone ... , loose crystal water at 280°C and to be anhydride, decompose as zinc oxide(ZnO)and sulfur trioxide ... 3)Crystal powder, stability, low water and non-caking, easy to process and stock.4.Specifications: ITEMINDEXProducts gradeExcellent gradeGrade IMajor componetsZn %35 ...