Calcined Soda Ash for Glass Production from China
Calcined soda ash is thermally processed disodium carbonate optimized for glass production, meeting Chapter 28 Note 1(a) as a chemically defined compound. The calcination process does not alter its chemical identity as Na2CO3, so it remains classified under this tariff item.
Duty Rate — China → Canada
0%
Import Tips
• Document the calcination process and purity level to demonstrate it is chemically defined disodium carbonate
• Keep records of the production method in case the CBSA requests verification
• Confirm no organic stabilizers were added during processing