Pumice Lapidary Grit for Gemstone Tumbling from Japan
Graded pumice grit for rotary tumbling rough gemstones and cabochons. Falls under HTS 2513.10.0080 as other natural pumice abrasives. Provides pre-polish stage before finer silicon carbide.
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
• Specify mesh sizes (60/90, 120/220) matching industry tumbling sequences
• Purity testing eliminates iron staining on light-colored stones
• Bulk packaging prevents moisture absorption affecting tumbling performance