Colloidal Silica Concrete Densifier from Japan
> Nano-particle suspension of amorphous silica in water used to chemically densify concrete by filling capillary pores and reacting with calcium hydroxide. This product is a prepared additive for cements, mortars, or concretes, classified under tariff item 3824.40.00.
Duty Rate — Japan → Canada
0%
Import Tips
• > Provide safety data sheets to the CBSA as colloidal silica may have handling requirements
• Ensure the product is labeled as a concrete densifier
• Consult with a customs broker to ensure compliance with Canadian import regulations