Battery Grade Sulfuric Acid from China
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 — China → United States
25%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 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