Breathable Waterproof Membrane Film from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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