Regenerated Cellulose Battery Separator Film from Canada
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 — Canada → United States
16.2%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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