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%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
• 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