Industrial Polyphosphoric Acid for Polymer Catalysts from China
Industrial polyphosphoric acid used as a catalyst in alkylation and polyester production, with extended phosphate chains. This chemically defined polyphosphoric acid is classified under tariff item 2809.20.00, meeting Chapter 28's requirements.
Duty Rate — China → Canada
0%
Import Tips
• Verify the phosphate chain length and P2O5 content with a certificate of analysis, as this determines the classification
• Check if the product is subject to any Canadian chemical management plan requirements under the Canadian Environmental Protection Act
• Ensure proper handling and storage documentation for viscous, corrosive liquids