Regenerated Cellulose Battery Separator Film from Japan
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 — 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
• 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