Potassium Aluminate Solution from Germany
Potassium aluminate (KAlO2) is an alkaline solution used in paper manufacturing to precipitate silica and improve retention. Classified under HTS 2841.90.40.00 as an aluminate salt of oxoacid of aluminum, meeting Chapter 28 definitions for inorganic metal salts. Typically imported in liquid form at 40-50% concentration.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide assay report showing aluminate content >90%; label as corrosive if pH>14
• Pitfall: bulk shipments without proper stabilization may be reclassified as waste
• Comply with DOT hazmat for transport