4,4'-Diaminodiphenylmethane from Mexico
4,4'-Diaminodiphenylmethane (DDM) is an aromatic polyamine used in epoxy resin curing and polyimide synthesis. Its two amine groups on a diphenylmethane structure place it under tariff item 2921.59.00 for other aromatic polyamines.
Duty Rate — Mexico → Canada
0%
Import Tips
• Provide the product's purity and melting point on the certificate of analysis
• Ensure the product is not classified as a hazardous good under Canadian transport regulations if shipped in bulk