Slate Roof Tiles from Japan
Natural slate tiles cut and shaped for roofing applications, featuring a smooth cleft surface for durability and water resistance. Classified under HTS 6803.00.50.00 as worked slate articles primarily used in construction, distinct from unworked slate or monumental stone.
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
• Verify slate origin certification to confirm it's worked slate, not excluded chapter 25 minerals
• Include detailed invoices specifying clefting and sizing processes to avoid reclassification as unworked
• Check building code compliance for destination country to prevent customs holds