Triple Superphosphate Fertilizer from Mexico
Triple superphosphate (TSP) fertilizer, a highly concentrated phosphatic fertilizer with about 46% P2O5, made by reacting phosphate rock with phosphoric acid. It is a superphosphate covered by Chapter 31 Note 3(a)(iii) under heading 31.03.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the product is a superphosphate, not a mixture with other fertilizing elements
• Keep production documentation showing the reaction with phosphoric acid
• Verify it is not put up in heading 31.05 retail forms