Alkaline Battery Separator Membranes from Mexico
Microporous cellulose-based membranes that separate electrodes in AA/AAA alkaline primary batteries while allowing electrolyte flow. These critical parts prevent shorts in non-rechargeable cells. Classified as parts under HTS 8506.90.00.00.
Duty Rate — Mexico → United States
12.7%
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
• Test certificates for porosity and ion permeability must accompany shipments
• Document manufacturing process showing membrane cutting for specific battery sizes