3904.90.50.00/Vinylidene Fluoride Hexafluoropropylene Copolymer/Japan

Vinylidene Fluoride Hexafluoropropylene Copolymer from Japan

This copolymer (e.g., PVDF-HFP) combines vinylidene fluoride and hexafluoropropylene for flexible membranes in batteries. HTS 3904.90.5000 covers it as 'Other' halogenated olefin polymer in primary form, as comonomers don't meet 95% named copolymer criteria.

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%

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Import Tips

• Document exact comonomer ratios (<95% for each) via GPC/FTIR to justify 'Other' per subheading note (a)(2)

• Certify non-household use to avoid 3924 misclassification; include end-use declarations