Lignosulfonate Dust Suppressant from United States
A sprayable calcium lignosulfonate formulation derived from desugared wood pulp lyes, used to suppress dust on unpaved roads and mining haul roads. It is classified under tariff item 3804.00.00 as a chemically treated residual lye from wood pulp manufacture, not an advanced preparation.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is presented as a residual lye from wood pulp manufacture, not as a formulated dust control preparation, to stay within this tariff item
• Have documentation showing the desugaring and chemical treatment processes
• Verify whether the product contains any added surfactants or binders that could shift classification