Opanols Elastomeric Polyisobutylene Resin from Mexico
Opanols are medium molecular weight elastomeric polyisobutylene resins meeting the 95% isobutylene criterion for HTS 3902.20.10.00 classification in primary forms like granules. Used in chewing gum bases and cable insulation for elasticity and moisture resistance. Excludes any finished plastic articles.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Label shipments clearly as 'primary polymer - not for direct retail' to prevent misclassification as articles
• Obtain supplier affidavits on polymer purity
• Common pitfall: confusing with plasticized versions under 3920