Synthetic Rubber Monomer Isoprene (99%) from Japan
99% pure isoprene used exclusively as a building block for cis-polyisoprene synthetic rubber, with minimal impurities. It qualifies for HTS 2901.24.20.00 under Chapter 29 for pure acyclic hydrocarbons ≥95% purity, excluding mixtures or polymers.
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
• Label containers with UN number 1218 for hazardous material shipping; obtain EPA pre-manufacture notice if new use
• Avoid undervaluation by declaring industrial monomer value accurately