Industrial 1,8-Diaminonaphthalene for Polymers from Mexico
Industrial-grade 1,8-diaminonaphthalene serves as a curing agent in epoxy resins and polyurethanes. It is an aromatic polyamine classified under tariff item 2921.59.00 as an 'other' derivative, provided it is chemically defined.
Duty Rate — Mexico → Canada
0%
Import Tips
• Specify the industrial grade and purity on customs forms
• Ensure the product does not contain impurities that alter its chemical identity
• Verify if the end-use as a curing agent affects classification