Bituminized Large Format Vapor Barrier Sheet from Japan
Oversized sheets (2m x 4m) of bituminized paperboard for wall vapor barriers in humid climates. Meets HTS 4811.10.11.00 dimensions and bituminous description.
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
• Vapor permeability test results help distinguish from plastic barriers in 3917
• Declare grammage accurately; heavy papers risk Chapter 68 review
• Avoid bulk packaging that obscures sheet size verification