Calcium Sulfite Hemihydrate from United States
Calcium sulfite hemihydrate (CaSO3·0.5H2O), a white powder byproduct from flue gas desulfurization used in construction materials. As a chemically defined compound of an inorganic base, it falls under tariff item 2832.20.00 as an 'other sulphite'.
Duty Rate — United States → Canada
0%
Import Tips
• If the product is a byproduct, ensure it meets the purity standards for chemical classification; otherwise, it may be classified elsewhere
• Provide documentation on the production process if requested by CBSA