Boron Trioxide (Boric Oxide) from Mexico
Boron trioxide (B₂O₃) is a pure inorganic oxygen compound of the non-metal boron, used in glass manufacturing and as a flux. This chemically defined compound is classified under Chapter 28 as an 'other' inorganic oxygen compound of non-metals. The product is available as a white powder or glassy solid.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the boron trioxide is not classified as boric acid, which has a separate tariff heading
• Provide the CBSA with the purity certificate and intended use documentation
• Verify that the product is not used in food applications without proper approvals