HDPE Construction Vapor Barrier Film from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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