Polystyrene-Based Cement Dispersant from China
> A powdered dispersant with modified polystyrene (aromatic polymer) exceeding 5% by weight, added to concrete to prevent clumping and enhance uniformity. This product is a prepared additive for cements, mortars, or concretes, classified under tariff item 3824.40.00.
Duty Rate — China → Canada
0%
Import Tips
• > Ensure the product is labeled as a dispersant for cement or concrete and provide a certificate of analysis to the CBSA
• Verify the aromatic polymer content is accurately documented
• Check if any Canadian regulations apply to polystyrene-based products