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%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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