Ventilation Patch Microporous Polypropylene Film from Canada
Small microporous PP film patches for device housings allowing pressure equalization and preventing condensation. Classified under HTS 3921.19.0010 as microporous cellular PP sheets.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• IP67/68 waterproof rating specs with acoustic impedance data support function
• Die-cut rolls remain film classification; pressure-sensitive adhesive doesn't change
• Volume shipments qualify better rates; avoid per-piece invoicing