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
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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