New

Ask Wove anything about tariffs.

Try Tariff Assistant

Alumina Refining Soda Lye 48% from Japan

48% high-strength aqueous sodium hydroxide for Bayer process in alumina extraction from bauxite ore. Classified HTS 2815.12.00.00 as liquid caustic soda, chemically defined per Note 1 Chapter 28. Critical for digesting aluminum oxides in mining operations.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

Import Tips

• Bulk railcar imports require AAR certification for caustic service

• Test for iron content (<1 ppm) critical for alumina process; document accordingly