Regenerated Cellulose Battery Separator Film from Mexico
Microporous noncellular film (pre-processed) of regenerated cellulose used as separators in alkaline batteries. Qualifies for HTS 3920.71.00.00 as plain sheets before final assembly, with cellulose derivatives predominating. Critical component for battery manufacturing.
Duty Rate — Mexico → United States
16.2%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Import as raw film stock; assembled batteries classify under 8507 with different duties
• Thickness certification needed; very thin films (<0.1mm) face additional scrutiny
• Ensure no impregnation with electrolytes at import, which changes classification