High-Alumina Chamotte Powder from Mexico
High-alumina chamotte powder, typically 50-70% Al2O3, is produced by calcining fireclay and grinding it to a powder for addition to monolithic refractories and castables. It is classified as chamotte earth in powdered form, a product of Chapter 25 that has undergone only mechanical processing.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the powder is not mixed with chemical additives that change its character, as this may affect classification
• Keep detailed specifications of alumina content and particle size distribution for customs verification
• Note that anti-dusting agents are permitted if they do not make the product suitable for a specific use