Housewrap Microporous Polypropylene Film from Germany
Microporous polypropylene breathable film used in construction housewrap for moisture vapor transmission. Falls under HTS 3921.19.0010 as cellular microporous sheet of polypropylene in the 'other plastics' category.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Test for ASTM E96 water vapor transmission to document breathability confirming microporous structure
• Rolls must not exceed 48.5cm width for potential Free (B) treatment per heading 3921 US note
• Avoid bulk packaging confusion with retail; classify by material form, not end-use packaging