Sulfamic Acid Descaling Powder from Japan
Sulfamic acid in powdered form, packaged for industrial HVAC descaling to remove calcium carbonate deposits. It is a separate chemically defined inorganic compound, an oxygen acid of a non-metal, and qualifies under this tariff item as an 'other inorganic acid'.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the product is pure sulfamic acid with no organic additives, as Chapter 28 excludes organo-inorganic compounds
• Have a certificate of analysis ready to confirm chemical identity
• Check if the powder is classified as a hazardous good for transport, requiring proper labelling and documentation