HDF Subfloor Underlayment Sheet from Japan
High-density fiberboard sheets for subfloor underlayment in construction, >0.8 g/cm³ density, oil-treated surface only for water resistance. Stabilizes flooring installations. Classified 4411.92.20.00 as other untreated HDF.
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 screw-holding strength test data for construction compliance
• Ensure no wax/paraffin additives beyond 3% binder limit per notes