Disproportionated Rosin from Japan
Disproportionated rosin undergoes heat treatment to stabilize abietic acid, used in solder fluxes and inks. It remains under HTS 3806.90.00.00 as a processed derivative of 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%
Import Tips
• Submit GC-MS analysis showing stabilized isomer profile to distinguish from crude rosin
• Declare exact disproportionation degree (typically 90%+) for accurate duty assessment
• Monitor for FDA registration if used in food-contact applications like chewing gum base