Polyphosphoric Acid 105% for Flame Retardant Synthesis from Mexico
Polyphosphoric acid at 105% H3PO4 strength, employed in manufacturing ammonium polyphosphate flame retardants. This chemically defined polyphosphoric acid is classified under tariff item 2809.20.00, meeting Chapter 28's criteria.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the H3PO4 equivalent concentration and phosphate chain structure with a certificate of analysis
• 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