Polymer-Based Non-Refractory Mortar Mix from Canada
A ready-to-use mortar mix containing polymer additives and fine aggregates, designed for construction applications like bricklaying and plastering where high adhesion is needed. It falls under HTS 3824.50.0050 as a non-refractory mortar not elsewhere specified, consisting of chemical preparations from the chemical industries. This classification applies to pre-mixed formulations without refractory properties.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Verify composition meets non-refractory standards; refractory materials shift to 3816
• Include safety data sheets (SDS) and test reports for VOC content to comply with EPA regulations
• Avoid misclassification as ready-mixed concrete (3824.50.5050) by specifying dry powder form