Magnesium Oxide Crucible from Canada
MgO ceramic crucible for rare earth metal melting, offering superior corrosion resistance. HTS 6903.90.00.50 applies to this fired refractory oxide vessel, distinct from basic brick forms.
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
• ASTM C373 water absorption test proving refractory body; declare calcination process details; separate from bone china via >3% absorption confirmation