Potassium Ferrate Concrete Waterproofer from China
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 — China → Canada
0%
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
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