Technical Grade Potassium Polyphosphate from Mexico
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 — Mexico → United States
13.1%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 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