Ventilation Patch Microporous Polypropylene Film from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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