Limestone Powder Fines from United States
Limestone powder fines, with particle size under 2mm, are derived from crushed limestone of heading 25.15 and are used in cement production, animal feed supplements, or soil amendment. The powder is obtained by mechanical grinding, which is permitted under Chapter 25 Note 1. It is not heat-treated or mixed, so it is classified as powder of stones of heading 25.15 under this tariff item.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the limestone powder is not mixed with other substances, such as fertilizers or additives
• Provide CBSA with particle size analysis and intended use to confirm classification
• If used in animal feed, verify it meets CFIA requirements separately