Barium Carbonate for Porcelain Enamel from Mexico
Barium carbonate used in porcelain enamel coatings for appliances provides barium oxide fluxing properties during firing. HTS 2836.60.00.00 covers this as a simple inorganic carbonate of barium, not excluded under chapter notes.
Duty Rate — Mexico → United States
2.3%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Batch certificates needed for enamel consistency; DOT Class 6.1 poison labeling
• Pitfall: oversize bags risking breakage and reclassification as waste