Sodium Paratungstate Pentahydrate from United States
Sodium paratungstate pentahydrate is an isopolyoxotungstate used in metal finishing. It is a tungstate salt of sodium, classified under tariff item 2841.80.00. The product forms protective conversion coatings.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the exact hydration state and chemical formula
• Provide the intended use in metal finishing
• Ensure compliance with Canadian environmental regulations for metal treatment chemicals