Fine Ground Nepheline Syenite 10 Micron from Mexico
Fine ground nepheline syenite with a 10 micron D50, used for high-end coatings and adhesives. The ultra-fine grind is a physical process allowed under Chapter 25 notes, and the product retains its natural mineral status, falling under this tariff item.
Duty Rate — Mexico → Canada
0%
Import Tips
• Document that the grinding process is purely physical and no chemical additives are present
• Provide particle size distribution data for customs verification
• Check if the product is surface-treated, which could change classification