AF Sodalite Nepheline Syenite from Mexico
AF-grade nepheline syenite containing sodalite inclusions, used in low-expansion glass-ceramics. This natural mineral product is distinguished by inclusion analysis and falls under this tariff item as a natural form of nepheline syenite, consistent with Chapter 25 notes.
Duty Rate — Mexico → Canada
0%
Import Tips
• Provide mineralogical analysis to confirm the sodalite content does not change the product's classification as nepheline syenite
• Ensure the product is not processed beyond physical methods
• Keep records of the grade specifications for customs