Diammonium Tungstate Solution Concentrate from Mexico
Concentrated aqueous solution of diammonium tungstate used in wire drawing lubricants. Though in solution, the active ingredient is ammonium tungstate salt, and solutions of tungstates remain classified under this tariff item per Chapter 28 note 1(b).
Duty Rate — Mexico → Canada
0%
Import Tips
• Declare the concentration of the solution and the net weight of the tungstate content for accurate duty calculation
• Ensure the solution is properly labelled with its chemical composition and safety data sheet
• If the solution is classified as dangerous goods for transport, comply with TDG regulations