Technical Grade Potassium Polyphosphate from Canada
Technical grade potassium polyphosphate is an industrial chemical for use in ceramics production and as a deflocculant. Falls under HTS 2835.39.10.00 for other polyphosphates of potassium, chemically defined inorganic salts. Purity typically 95%+ for manufacturing applications.
Duty Rate — Canada → United States
13.1%
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
Import Tips
• Specify technical grade vs food grade on labels to prevent FDA scrutiny
• Ensure packaging prevents moisture absorption which affects classification purity
• Declare CAS 68955-20-2 or equivalent for customs verification