Potassium Stannate Trihydrate from Japan
Potassium stannate trihydrate (K2SnO3·3H2O) is a white crystalline powder used primarily as a source of stannate ions in chemical plating processes for metals. It is specifically the hydrated form of the potassium salt of stannic acid, classified under tariff item 2841.90.00.
Duty Rate — Japan → Canada
0%
Import Tips
• Note that the water of crystallization is part of the chemically defined compound and does not affect classification
• Ensure the product is stored properly to prevent dehydration during transport