Micronized Nepheline Syenite Filler from United States
Ultra-fine (<10 micron) nepheline syenite powder used as a functional filler in paints, coatings, and plastics. The product is ground, a physical process permitted under Chapter 25 notes, and retains its natural mineral status, falling under this tariff item as nepheline syenite.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the powder has not been surface-treated or chemically modified, as this may exclude it from Chapter 25
• Provide particle size distribution data to confirm the grinding process
• Verify that no anti-dusting agents beyond permissible limits are added