Spent Phosphoric Acid Pickling Liquor from Mexico
Used phosphoric acid bath waste from metal surface treatment in automotive manufacturing, laden with metal phosphates and sludge. Under HTS 3825.50.00.00 as metal-pickling liquor waste per chapter note. Highly acidic and regulated as hazardous.
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
• Document neutralization capacity and pH levels for customs clearance
• Use stainless steel or HDPE containers resistant to phosphoric acid