Dicyandiamide Curing Agent DCDA from Mexico
DCDA (dicyandiamide) curing agent is a latent hardener for thermoset polymers like epoxies, falling under tariff item 2926.20.00 as a pure nitrile-function compound per Chapter 29 definitions. Even when formulated for use as a curing agent, it remains classifiable here if it is not put up in measured doses or for retail sale as a product of another heading.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the product is not mixed with other components that would change its classification; if it is a pure compound, it falls under 2926.20.00
• If the curing agent is put up in a form for retail sale as a polymer additive, check if it might be classified elsewhere
• Keep technical data sheets to support the chemical identity and intended use