Battery Grade Sulfuric Acid from Mexico
High-purity sulfuric acid (93-37%) formulated for lead-acid battery electrolyte, meeting strict impurity limits. It qualifies under HTS 2807.00.00.00 as chemically defined sulfuric acid, not as a mixture if purity standards are met per Chapter 28 notes. Widely imported for automotive and UPS battery production.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Provide assay reports showing low heavy metals for battery grade verification; comply with EPA pre-notification for corrosive imports
• Avoid pitfall: over-dilution pushes to 3824 as chemical prep