Barium Sulfate Precipitated Powder from Mexico
Precipitated barium sulfate (BaSO4) powder serves as a high-purity filler in paints and X-ray contrast, HTS 2833.29.51.90 despite common 2511 use for natural barite. Synthetic form qualifies as chemically defined.
Duty Rate — Mexico → United States
3.7%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Provide particle size distribution (e.g
• 0.7 micron) and oil absorption specs
• XRD analysis to prove synthetic vs. natural mineral origin
• USP grade certification for radiopaque medical uses