Technical Grade Potassium Stannate from Japan
Technical grade potassium stannate is a commercial powder (typically 40-60% K2SnO3) used for immersion tin plating in electronics manufacturing. It qualifies for tariff item 2841.90.00 as the designated potassium salt of stannic acid.
Duty Rate — Japan → Canada
0%
Import Tips
• Verify the purity level and declare it accurately, as lower purity may raise questions about classification
• If the product contains significant impurities, confirm they are naturally occurring and not added for a specific use