Flue Gas Desulfurization Gypsum from United States
Synthetic gypsum from flue gas desulfurization, chemically identical to natural gypsum and used in wallboard and agriculture. The tariff item covers gypsum regardless of origin, as long as it is not calcined or chemically processed beyond washing or mechanical treatment.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the synthetic gypsum is not mixed with other byproducts or chemical additives
• Provide technical data showing it meets the definition of gypsum (calcium sulfate dihydrate)
• Confirm the product is not classified as a waste product under other headings