Pumice Lapidary Grit for Gemstone Tumbling from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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