Tecnoflon FOR P 4590 from Japan
Tecnoflon FOR P 4590 is a peroxide-curable fluoroelastomer based on vinylidene fluoride/perfluoromethyl vinyl ether copolymer (>95% comonomers). Primary form pellets for injection molding gaskets in automotive fuel systems. Elastomeric per HTS 3904.69.10.00.
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 cure system details (peroxide vs bisphenol) in documentation as it affects processing but not HTS
• Prevent undervaluation claims by declaring Mooney viscosity and specific gravity accurately
• Bulk shipments common; ensure container ventilation per fluoropolymer handling guidelines