Nepheline Syenite Powder from Mexico
Finely ground nepheline syenite used primarily as a fluxing agent in ceramic and glass manufacturing to lower melting temperatures. This natural aluminosilicate mineral is ground, a physical process allowed under Chapter 25 notes, and falls under this tariff item as unprocessed nepheline syenite.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the powder is not chemically treated or mixed with other minerals
• Provide particle size analysis to support the grinding claim
• Verify that the product is not a prepared additive, which may fall under other chapters