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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