HFO-1234ze Spray Polyurethane Foam Precursor from Mexico
HFO-1234ze specifically formulated as a B-component blowing agent for spray polyurethane foam systems. This is pure 1,3,3,3-tetrafluoropropene, a named unsaturated fluorinated derivative under tariff item 2903.51.00, despite its intended use in chemical reactions.
Duty Rate — Mexico → Canada
0%
Import Tips
• If the B-component includes isocyanates or polyols, the mixture is classified elsewhere
• Ensure the product is pure HFO-1234ze for classification under 2903.51.00
• Provide a certificate of analysis to CBSA