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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document neutralization capacity and pH levels for customs clearance
• Use stainless steel or HDPE containers resistant to phosphoric acid