Caustic Potash 45% Liquid Solution from China

Aqueous solution of potassium hydroxide at 45% concentration, used in liquid form for pH adjustment in water treatment and biodiesel production. Classified under HTS 2815.20.00.90 as 'other' forms of potassium hydroxide. Excludes granular solid forms covered elsewhere.

Duty Rate — China → United States

25%

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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

Include concentration analysis report to distinguish from lower-purity solutions that might fall under mixtures

Ensure IBC totes meet UN standards for corrosive liquids to pass CBP inspection

Monitor for contamination; impure lots risk reclassification as waste under 3825.20

Caustic Potash 45% Liquid Solution from China — Import Duty Rate | HTS 2815.20.00.90