Bulk Natural Tripoli Lumps from Japan
Crude tripoli (rottenstone) irregular pieces, siliceous sedimentary rock for metal polishing. Natural abrasive under HTS 2513.20.1000.
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
• SiO2 purity tests essential