Naphthalene Sulfonate Dispersant from Japan
Naphthalene sulfonate dispersant, an aromatic dispersant used for pigments, dyes, concrete admixtures, and inks. It qualifies as an organic surface-active agent under heading 34.02 by meeting the surface tension and emulsion stability criteria.
Duty Rate — Japan → Canada
6.5%
Import Tips
• Ensure the dispersant is not a separate chemically defined compound, as Chapter Note 1(b) excludes such products
• Provide evidence of surface-active properties, such as surface tension measurements
• If used as a concrete admixture, verify if other headings apply based on the end use