Pentaerythritol Ester of Polyterpene Resin from Mexico
This chemically modified polyterpene resin esterified with pentaerythritol offers improved polarity and adhesion. Still in primary form, it falls under HTS 3911.10.00.00 per subheading note (a)(3) as chemically modified 'other' polymer, used in hot-melt adhesives.
Duty Rate — Mexico → United States
16.1%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document esterification process to justify primary form status; ensure acid number compliance; pitfall is classifying modified esters as Chapter 29 organic chemicals