Monoaluminum Phosphate Solution from China
Monoaluminum phosphate (Al(H2PO4)3) in aqueous solution serves as an acid binder for high-temperature refractories and acid-resistant coatings. It qualifies for HTS 2835.29.10.00 as a simple aluminum phosphate salt. The solution form facilitates application in ceramic and metal treatments.
Duty Rate — China → United States
37.5%
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Declare exact concentration (typically 50% solids) to avoid dilution penalties or reclassification
• Avoid classifying as phosphoric acid mixture (2809.20); specify aluminum phosphating