Sulfuric Acid Battery Grade from Mexico
Battery-grade sulfuric acid (H2SO4 98%) manufactured in the US, exported for automotive testing, returned unchanged within 3 years. Chapter 28 product (2807.00) qualifying for 9801.00.10.27 duty-free entry when not improved abroad.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Maintain chain-of-custody records from export through foreign testing to re-import
• Include material safety data sheets confirming unchanged chemical composition
• File statistical reporting as 9801.00.10.27-2807.00.0000 per chapter notes