HDPE Construction Vapor Barrier Film from Mexico
High-density polyethylene film used as a moisture barrier under flooring in construction. Noncellular and not combined with other materials, classified under ethylene polymers. Typically 6-15 mil thick for residential and commercial builds.
Duty Rate — Mexico → United States
14.2%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include ASTM D4397 compliance certs; non-compliant films face CBP holds
• Measure density accurately—HDPE must confirm ethylene base over 95%
• Avoid bulk packing without separators to prevent customs valuation disputes