Fluorosulfonated Polymer Powder (for Membranes) from Germany
Fluorinated polymer powder with sulfonyl groups for ion-exchange membranes, classified as other fluoropolymers in HTS 3904.69.5000 primary forms. Chemical modification keeps it in 'other' per subheading note (a)(3).
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Document modification process to justify 'other' classification vs unmodified base polymer
• Declare intended end-use as industrial resin, not fabricated article
• Ensure powder form; dispersions classify under 3824