Potassium Ferrate Concrete Waterproofer from Japan
A specialized inorganic salt preparation of potassium ferrate used to waterproof and strengthen concrete by reacting with water to form insoluble complexes. This product is a prepared additive for concrete, falling under tariff item 3824.40.00 as a chemical preparation.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the product is formulated specifically as a concrete additive and not as a pure chemical compound
• Provide documentation showing its waterproofing function in concrete applications
• Verify that it is not classified as a separate chemically defined compound under Chapter 28