Breathable Waterproof Membrane Film from Mexico
Microporous polyurethane film laminated to nylon textile for rain gear, 0.8 kg/m². Fits 3921.90.19.50 as other plastic foils combined with textile under weight limit. Enables moisture vapor transmission.
Duty Rate — Mexico → United States
15.3%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• RET testing proves breathability; include specs to support classification
• Hydrostatic head ratings help distinguish from mere coatings
• Avoid declaring as apparel fabric if it leads to Chapter 59 misrouting