Barium Tungstate Precipitate from Canada
Barium tungstate (BaWO4) precipitate is used in X-ray contrast media and as a white pigment, classified in HTS 2841.80.00. Its insolubility provides stable opacity.
Duty Rate — Canada → United States
5.5%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Medical-grade requires FDA drug master files for clearance
• Particle morphology reports prevent mixture classification
• Declare barium content for RoHS compliance in electronics