Natural Boric Acid Powder from Rasorite from China
Natural boric acid powder derived from rasorite (refined kernite) through concentration and limited processing, containing not more than 85% H3BO3 on a dry weight basis. It qualifies for tariff item 2528.00.00 as a natural boric acid from solid mineral deposits.
Duty Rate — China → Canada
0%
Import Tips
• Verify the H3BO3 content does not exceed 85% on a dry weight basis to stay within this tariff item
• Provide lab analysis certificates to CBSA to confirm purity
• Ensure the product is not separated from natural brine