Industrial Grade Sulfamic Acid from United States
Industrial grade sulfamic acid is a pure form of sulfamic acid (H3NSO4) used in industrial cleaning and descaling applications to remove rust, limescale and mineral deposits. It is classified under tariff item 2811.19.00 as an 'other inorganic acid' because it is a separate chemically defined compound.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is pure sulfamic acid and not formulated with surfactants or other additives, which would change the classification
• The CBSA may require a certificate of analysis to confirm the chemical identity and purity
• Verify that the product is not put up in retail packaging, which could classify it as a preparation under Chapter 34