Dicyandiamide Curing Agent DCDA
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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is a formulated mixture containing dicyandiamide and other additives
Prepared binders or other chemical products not elsewhere specified may apply.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• 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
Related Products under Tariff item 2926.20.00
Dicyandiamide (1-Cyanoguanamide)
Dicyandiamide, also known as 1-cyanoguanidine, is a white crystalline powder classified as a nitrile-function compound due to its cyano group (-C≡N) attached to the guanidine structure. It is a separate chemically defined organic compound, meeting the criteria of Chapter 29 Note 1(a). It falls under tariff item 2926.20.00 as the sole item for this subheading.
High-Purity Dicyandiamide 99.9%
High-purity 99.9% dicyandiamide is a specialty chemical for flame-retardant formulations, under tariff item 2926.20.00 as a nitrile-function organic compound. Its classification follows Chapter 29 Note 1(a) without impurities affecting its identity as a separate chemically defined compound.
Industrial Grade Dicyandiamide Powder
Industrial grade dicyandiamide is a high-purity (99.5%) white powder used as a curing agent for epoxy resins, classified under tariff item 2926.20.00 for its nitrile-function structure. It meets Chapter 29 Note 1(a) as a separate chemically defined organic compound, even with minor impurities.
Pharma Grade 1-Cyanoguanidine
Pharmaceutical grade 1-cyanoguanidine (USP/EP compliant) is a nitrile-function compound under tariff item 2926.20.00, used as an intermediate in synthesizing antiviral and antidiabetic drugs. Its classification adheres to Chapter 29 Note 1(a) as a separate chemically defined compound, regardless of its pharmaceutical grade.
Technical Dicyandiamide Flakes
Technical grade dicyandiamide in flake form is used in water treatment as a precipitant, classified under tariff item 2926.20.00 for its 1-cyanoguanidine chemical structure. It qualifies under Chapter 29 Note 1(f) if minor anti-caking agents are added for preservation or transport, provided they do not make it suitable for a specific use.