Zinc chloride is commonly use in galvanized industry and battery industry. CAS No. : 7646-85-7 Packed by bag or drum Specification:According to National Standard ... Republic of China GB1625-79 ITEMSINDEX Battery GradeFirst GradeSecond GradeZnCl2 % ≥98.098.096.0ZnO %1.8-2.22.22.2SO4 % ≤0 ... , Russia, Brazil, USA, Greece, Italy, South Africa, Colombia, Canada, etc. Zinc Chloride 98% min