Supercapacitor Separator Membrane from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, 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