Coated Calcium Carbonate Stearic Acid from China
Calcium carbonate particles surface-treated with stearic acid to impart hydrophobic properties, with the coating comprising less than 5% of the total weight. The coating is a stabilizer or processing aid that does not render the product particularly suitable for a specific use, so it remains classified as calcium carbonate under Chapter 28 Note 1(e). Used in polyolefin films and sheets.
Duty Rate — China → Canada
Import Tips
• Ensure the coating level is below 5% and that the coating does not make the product suitable for a specific use, as higher or functional coatings may lead to classification elsewhere
• Provide technical data sheets showing the coating percentage and purpose
• Confirm that the stearic acid coating is not considered a separate constituent that would trigger Section Note 3