Bitumen-Layered Damp-Proof Course Paperboard from Japan
Composite paperboard with bitumen layers sandwiched internally, used as damp-proof course in masonry foundations. HTS 4807.00.10.00 applies to this non-surface-coated, internally laminated product.
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
• Provide BS or ASTM specs confirmation for damp-proof performance
• Ensure roll form declaration to stay in 4807, not cut articles