Industrial Grade Ammonium Sulfate Crystals from United States
Pure crystalline ammonium sulfate for industrial agriculture, used for alkaline soil correction and as a nitrogen source in large-scale farming. It is not put up in retail forms or packages and is not mixed with other nitrogenous compounds.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is not packaged for retail sale; if it is, classification shifts to heading 31.05
• Provide a certificate of analysis to CBSA showing the product is pure ammonium sulfate
• Ensure the product is not mixed with other substances that could change its classification