Hydroboracite Borate Mineral Powder from Japan
Hydroboracite borate mineral powder is a magnesium calcium borate ground into powder for enamel frits and insulation compounds. It classifies under tariff item 2528.00.00 as other natural borate concentrates from solid deposits, with H3BO3 under 85% dry.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the powder is produced by mechanical grinding only
• Confirm the H3BO3 content is below 85% on dry weight
• Provide a certificate of origin and analysis for customs clearance