Isopentane Polymerization Diluent from Japan
Isopentane employed as a diluent in slurry-phase polymerization of polyolefins like polyethylene. As a defined saturated acyclic hydrocarbon, it is under HTS 2901.10.30.00. Provides low viscosity and easy recovery in reactor processes.
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
• Certify low sulfur content for catalyst compatibility; comply with OSHA flammability standards
• Pitfall: incorrect flash point declaration