Calcined Kaolin Metakaolin from Japan
Partially calcined kaolin producing metakaolin for high-performance concrete with pozzolanic reaction. Tariff item 2508.40.00 includes calcined 'other clays' unless specifically chamotte; metakaolin qualifies as processed clay, though calcination may be a concern.
Duty Rate — Japan → Canada
0%
Import Tips
• Verify that the calcination does not render the product a 'chamotte' or 'dinas earth', which are classified under heading 25.08 but may have different subheadings
• Document the calcination temperature and end use
• Be prepared to justify that the processing is within Chapter 25 limits