Calcined Mullite Aggregate from Mexico
> Calcined mullite aggregate consists of crushed and heat-treated mullite grains used as a raw material in high-temperature refractories and castables. The product is processed only by crushing and heat treatment, which is permitted under Chapter 25 notes. It is classified under tariff item 2508.60.00 as mullite.
Duty Rate — Mexico → Canada
0%
Import Tips
• > Provide a detailed product specification showing the mullite content and particle size distribution
• Keep records of the heat treatment process to demonstrate compliance with Chapter 25 processing limits