Polymeric MDI (PMDI) Resin from Mexico
PMDI is a crude poly(methylene phenyl isocyanate) oligomer mixture used in rigid foam manufacturing, meeting the 95% monomer unit threshold per subheading rules. It is in primary form and is a key raw material for polyurethane production. This product is classified under this tariff item as a primary form amino-resin.
Duty Rate — Mexico → Canada
0%
Import Tips
• Classify as 3909.31.00 and ensure the product is not mixed with other polymers
• Provide a certificate of analysis showing the monomer unit composition
• Check if the product is subject to the Canadian Environmental Protection Act's Significant New Activity provisions