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