Elastomeric Polyisobutylene Pellets for Tire Inner Liner from China
These pellets are elastomeric polyisobutylene with 97% isobutylene monomer content, designed for compounding into tire inner liners under HTS 3902.20.10.00. Their gas impermeability and elasticity qualify them as primary form elastomers. Supplied unvulcanized for downstream rubber processing.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include end-use statements if requested by CBP to affirm primary polymer status
• Test for exact monomer composition to avoid 'Other' subheading
• Store in cool, dry conditions to maintain elastomeric properties during transit