Sodium Lignosulfonate Liquid from Mexico
Sodium lignosulfonate liquid, the sodium salt of lignin sulfonic acid from spent sulfite liquor, often concentrated for use as a dust suppressant and concrete plasticizer. It is a residual lye from wood pulp manufacture, classifiable under tariff item 3804.00.00.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the liquid is a residual lye from wood pulp, not a formulated product
• Provide documentation of concentration and desugaring
• Verify the product does not contain tall oil