Calcined Barium Oxide from Canada
Calcined barium oxide (BaO) is produced by heating barium carbonate, used in specialty ceramics and lubricants. HTS 2816.40.20.00 for barium oxides.
Duty Rate — Canada → United States
2%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• XRD analysis to prove oxide vs carbonate residual phases
• Moisture-proof packaging critical as it reacts to form hydroxide