Ammonium Persulfate Crystals from United States
Crystalline ammonium persulfate used in etching solutions for printed circuit boards and metal surface treatment. As a chemically defined ammonium peroxosulphate, it is classified under tariff item 2833.40.00, which covers peroxosulphates (persulphates) of all kinds.
Duty Rate — United States → Canada
0%
Import Tips
• If the crystals are dissolved in water or another solvent, ensure the solution is a normal method of putting up for transport
• The CBSA may classify solutions differently if the solvent renders the product for specific use
• Provide the exact concentration if applicable