Mining Crushed Pumice Fines from Mexico
Mining crushed pumice fines are coarse fines from pumice quarry crushing operations, with irregular pieces under 5 cm retaining natural porosity. They are not screened or graded for uniformity, remaining in a crude state. This tariff item covers crushed pumice in its natural state, suitable for abrasive feedstock.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the fines are not mixed with other quarry waste or materials, as that would change classification
• Declare the product as crushed pumice fines for abrasive use
• Keep records of the crushing process to show it is a mechanical operation