Boron Trioxide Glass-Grade Powder from Japan
High-purity boron trioxide powder designed for borosilicate glass production, providing thermal resistance properties. It is pure B2O3, an oxide of boron, meeting Chapter 28 Note 1(a). The product is not mixed with other substances, so it falls under this tariff item.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the powder is not a prepared additive for glassmaking that includes other ingredients
• If it is a mixture, it may fall under heading 38.24
• Provide a certificate of analysis to confirm purity