Polyisobutylene Tire Inner Liner Resin from Japan
High molecular weight polyisobutylene resin used in butyl rubber compounding for tire inner liners, qualifying for HTS 3902.20.5000 as 'Other' polyisobutylene in primary pellet form. Provides air retention properties when copolymerized during tire manufacturing.
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
• Specify Mooney viscosity for classification verification; ensure compatibility certificates for butyl blending; avoid pre-mixed compounds classifying as 4002