Hycar Polyisobutylene Adhesive Polymer from Japan
Hycar polyisobutylene is a specialty grade for hot-melt adhesives and sealants, meeting HTS 3902.20.5000 criteria as 'Other' polyisobutylene with ≥95% monomer purity in primary pellet form. Used in construction and automotive sealant formulations.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Include melt flow index specifications; ensure no pre-compounding with resins; label clearly as primary polymer for CBP review