Barium Sulfate Lithopone Precursor from Mexico
High-assay barium sulfate used as a precursor in the production of lithopone, a white pigment co-precipitated with zinc sulfide. This product is a separate chemically defined compound of barium sulfate, classifiable under tariff item 2833.27.00 as an 'other sulphate' of barium.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the barium sulfate is not mixed with zinc sulfide at import; if co-precipitated, it may be classified as a pigment under Chapter 32
• Declare the exact purity and assay to support classification as a separate chemically defined compound
• Keep certificates of analysis available for CBSA verification