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2841.90.40.00/Potassium Aluminate Solution/Canada

Potassium Aluminate Solution from Canada

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 — Canada → United States

13.1%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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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

Potassium Aluminate Solution from Canada — Import Duty Rate | HTS 2841.90.40.00