Technical Grade Potassium Alum from Japan
Technical-grade potassium alum is a double sulfate of potassium and aluminum, classified as an alum under heading 28.33. It is used in industrial decolorizing and textile sizing. The technical grade does not alter its chemical classification as an alum.
Duty Rate — Japan → Canada
0%
Import Tips
• Specify the industrial use on the customs declaration to support classification
• Ensure the product is free of impurities that could change its tariff heading
• Keep the SDS available for CBSA inspection