Opanols Elastomeric Polyisobutylene Resin from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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