Calcined Andalusite 55% Al2O3 from China
Calcined andalusite with 55% alumina content, heat-treated to partially convert to mullite for improved thermal shock resistance. This product falls under tariff item 2508.50.00 as calcined andalusite, which is explicitly covered by the heading regardless of calcination.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the calcination process does not add binders or other additives that could shift classification to a different heading
• Provide a certificate of analysis showing alumina content and calcination temperature to support the tariff classification
• Verify whether the product is for refractory use, as end-use may affect CBSA documentation requirements