Ground Phosphorite Rock from Mexico
> Ground phosphorite rock is finely ground natural calcium phosphate from sedimentary deposits, used as a raw material in phosphate fertilizer production. It is in a crude, ground state without chemical processing, placing it under this tariff item for ground natural calcium phosphates.
Duty Rate — Mexico → Canada
0%
Import Tips
• > Confirm the rock is only ground, not calcined or roasted, to stay within chapter 25
• Keep records of the grinding process and source for CBSA inspection
• Verify no added substances beyond permitted anti-dusting agents