Perforated Concrete Partition Blocks from Japan
These concrete blocks feature holes for wiring or piping, ideal for interior partition walls in commercial buildings. Under HTS 6810.11.00.70 as other unreinforced concrete building blocks for construction. Perforations aid installation without altering classification.
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
• Detail perforation specs and load ratings in entry docs to justify building block status
• Test for uniformity; non-compliant blocks risk rejection under construction material regs