Color Grade K Rosin from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Calculate with your customs value Verify classification with AI

Import Tips

• Color grade certification essential; darker grades still qualify if >65% acids

• Test for oxidation stability to avoid derivative status