Terpene Phenolic Resin from Mexico
Terpene phenolic resin combines polyterpene with phenol-formaldehyde, used in adhesive tackifiers. Falls in 3911.90.91 as chemically modified polyterpene (note (a)(3)), in primary flake form, not specific phenolic subheading.
Duty Rate — Mexico → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Disclose phenolic content (<20% typical) to confirm modification status
• Softening point range (110-140°C) aids verification