Iron Naphthenate Catalyst for Olefin Polymerization from Japan
Iron naphthenate functions as a single-site catalyst precursor in late-transition metal olefin polymerization for polyethylene production. HTS 3824.99.7550 covers other naphthenic salts in petrochemical catalysis. Enables branched polymer architectures.
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
• Air-sensitive packaging; inert atmosphere certs for activity retention
• Not 3815—specific olefin catalysts stay chemical preparations
• Patent status affects distribution; DEA if dual-use