Metal Pickling Liquor Preparation from Mexico
Acid-based mixture with inhibitors for cleaning metal surfaces during pickling processes in manufacturing. Classified in 3824.99.93 as a chemical preparation not elsewhere specified, used in allied metal industries. Prevents excessive corrosion during descaling.
Duty Rate — Mexico → United States
15%
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
• Classify as waste only if spent/unusable per chapter notes; new preparations stay here
• Include pH and inhibitor details in documentation for CBP review
• Comply with EPA hazardous waste import notifications if applicable