Anhydrous Potassium Stannate from China
Anhydrous potassium stannate (K2SnO3) is a high-purity, water-free compound used in advanced electroplating solutions to produce corrosion-resistant tin coatings. It is classified under tariff item 2841.90.00 as a potassium salt of stannic acid, an oxometallic acid salt.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is shipped as a dry solid, not in solution, to maintain classification under this tariff item
• Provide a certificate of analysis confirming chemical purity when requested by the CBSA