This product mainly used in batteries, activated carbon, welding medicine, ItemBattery Grade StandardRemarkControlledStandardcontent(Calculate in ZnCl2)% ≥98.0 98. ... aqueous solution.Uses: This product mainly used in batteries, activated carbon, welding medicine, paper making and other industries can ... : 25kgs. This product mainly used in batteries, activated carbon, welding medicine,Zinc Chloride