Disproportionated Rosin
Disproportionated rosin is a heat-treated derivative of rosin that stabilizes abietic acid, making it suitable for solder fluxes and inks. It is classified under tariff item 3806.90.00 as a processed derivative of rosin and resin acids, not elsewhere specified.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is unmodified gum rosin
Gum rosin is specifically classified under the rosin and resin acids heading, while disproportionated rosin is a derivative.
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
• Ensure the product is clearly documented as a rosin derivative, not a separate chemical compound, to avoid misclassification
• Provide a certificate of analysis to confirm the heat-treatment process and composition
• Verify if any end-use restrictions apply under Canadian chemical regulations
Related Products under Tariff item 3806.90.00
Fortified Rosin
Fortified rosin is rosin enhanced with polymerized rosin to improve stability in adhesives. It retains the characteristics of rosin acids and falls under tariff item 3806.90.00 as a derivative not elsewhere specified.
Gum Rosin
Gum rosin is a natural resin obtained from the oleoresin of pine trees, used in adhesives, printing inks, and soaps. It is classified under tariff item 3806.90.00 as a rosin and resin acid derived from tree exudates, falling under the 'other' category.
Methyl Ester of Rosin
Methyl ester of rosin is produced by esterifying rosin acids with methanol, used as plasticizers and fragrances. It is classified under tariff item 3806.90.00 as a rosin derivative not elsewhere specified.
Pentaerythritol Ester of Rosin
Pentaerythritol ester of rosin is produced by reacting rosin acids with pentaerythritol, used in adhesives and coatings for improved stability. It is classified under tariff item 3806.90.00 as a derivative of rosin and resin acids.
Rosin Modified Phenolic Resin
Rosin modified phenolic resin combines rosin with phenolic compounds for tackifying adhesives and printing inks. It is classified under tariff item 3806.90.00 when rosin remains the principal component, per Chapter 38 notes.
Rosin Oil
Rosin oil is obtained by distillation of rosin and used as a solvent in varnishes and paints. It is classified under tariff item 3806.90.00 as 'rosin oils' within the 'other' category of this heading.