Ammonium Persulfate Powder from United States
Ammonium persulfate ((NH4)2S2O8) in granular or powder form, a strong oxidizing agent used as a radical initiator in polymerizations. It is a chemically defined peroxosulfate of ammonium, falling under tariff item 2833.40.00.
Duty Rate — United States → Canada
0%
Import Tips
• Verify the product is pure ammonium persulfate without additives
• Classify as 2833.40.00
• Keep safety data sheets for handling and customs