</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Pentaerythritol Ester of Tall Oil Rosin from Canada

Pentaerythritol ester of tall oil rosin is a high-viscosity synthetic resin produced by esterifying tall oil rosin acids with pentaerythritol. It is widely used as a tackifier in adhesives, hot-melt glues, and pressure-sensitive tapes. This product falls under HTS 3806.30.00.00 as it is specifically classified as an ester gum derived from rosin acids.

Duty Rate — Canada → United States

16.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Verify certificate of analysis confirming rosin acid esterification to avoid reclassification as synthetic polymers under Chapter 39

Ensure proper documentation of acid number and softening point specs, as these determine adhesive-grade purity