Osmium Black Powder Alternative Form from Canada
Osmium black in compacted semi-manufactured pellets (not qualifying as powder per sieve test), used in alloying. HTS 7110.49.00 for other osmium forms excluding true powder.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Conduct sieve test documentation proving >10% retained on 0.5mm mesh for non-powder status
• Label toxicity warnings per OSHA for osmium tetroxide volatility risk
• Use specialized packaging to prevent oxidation during transit