Battery Grade PP Microporous Membrane from Germany
High-purity microporous polypropylene membrane for lithium-ion battery separators with controlled pore distribution. Classified under HTS 3921.19.0010 for microporous polypropylene cellular film sheets.
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
• Include shutdown temperature data (>130°C) proving separator functionality without changing classification
• Anti-dumping risks from Asia; verify scope exclusions for certain copolymers
• Classify as film regardless of thinness (<0.1mm); thickness doesn't affect heading