Supercapacitor Separator Membrane from Mexico
Ultra-thin microporous membranes separating electrodes in electric double-layer capacitors (supercapacitors). HTS 8532.90.00.00 applies as parts of fixed electrical capacitors.
Duty Rate — Mexico → United States
10%
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
• Pore size (nm) and ionic conductivity specs essential for capacitor parts classification
• Avoid paper classification (4805) by proving synthetic membrane composition and function
• Energy storage density ratings tie separator to supercapacitor performance requirements