High-Alumina Refractory Cement from Canada
A cement composition primarily made from calcined alumina and calcium aluminate, designed for high-temperature applications in furnaces and kilns. It falls under HTS 3816.00.20 as a refractory cement other than those in heading 3801, providing exceptional resistance to thermal shock and corrosion. Used in lining steel ladles and rotary kilns.
Duty Rate — Canada → United States
13%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Verify chemical composition meets refractory standards (min. 50% alumina) with lab certificates to avoid misclassification
• Include safety data sheets (SDS) for hazardous components like silica; ensure proper packaging for bulk shipments