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

Citric Acid Stainless Steel Passivation Gel from China

Thixotropic citric acid gel for passivation of stainless steel welds and surfaces, removing free iron without chlorides. Classifies under 3810.10.00.00 as pickling preparation restoring chromium oxide layer on metal. Used in pharmaceutical equipment fabrication.

Duty Rate — China → United States

40%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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)

Import Tips

Include ASTM A967 passivation test method compliance certificates

Biodegradable formulation aids disposal compliance

Gel form prevents dripping on vertical surfaces during application