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%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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