Diethylenetriamine (DETA) Impurity-Free TETA from Japan
High-purity triethylenetetramine (TETA) manufactured to minimize diethylenetriamine impurities is classified under tariff item 2921.29.00 as an acyclic polyamine. It is critical for high-performance epoxy systems in aerospace composites.
Duty Rate — Japan → Canada
0%
Import Tips
• Provide a certificate of analysis showing the impurity profile to demonstrate it is a single chemically defined compound
• Ensure the product is not a mixture of different polyamines, which could affect classification