Color Grade K Rosin from Canada
Color grade K rosin is dark-colored gum rosin with high resin acid content, used in tire tackifiers and low-end adhesives. Graded by Gardner scale. Under HTS 3806.10.00 as standard rosin acids.
Duty Rate — Canada → United States
15%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Color grade certification essential; darker grades still qualify if >65% acids
• Test for oxidation stability to avoid derivative status