Nepheline Syenite Powder from United States
Finely ground nepheline syenite used primarily as a fluxing agent in ceramic and glass manufacturing to lower melting temperatures. This natural aluminosilicate mineral falls under tariff item 2529.30.00 as unprocessed nepheline syenite, with only physical grinding applied, which is permitted under Chapter 25 notes.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the powder is not mixed with other fluxing agents or additives
• Provide particle size distribution to support the grinding grade
• Ensure the product is not calcined or chemically treated, which would exclude it from this heading