</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Aluminum Phosphate Gel from China

Aluminum phosphate gel (AlPO4·2H2O) is a colloidal suspension of aluminum phosphate used as a binder in refractory ceramics and catalyst supports. Classified under HTS 2835.29.10.00 as a chemically defined aluminum phosphate in gel form. It provides adhesion and thermal resistance in high-temperature applications.

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

Provide chemical analysis confirming >50% aluminum phosphate content to prevent mixture classification

Include viscosity and pH specifications in commercial invoice for customs valuation

Aluminum Phosphate Gel from China — Import Duty Rate | HTS 2835.29.10.00