Alumina-Silicate Patch Refractory Mortar from Mexico
Quick-setting mortar for patching cracks in rotary kilns, containing mullite and clay. Classified HTS 3816.00.20.50 as other refractory mortar for cement plant use up to 1550°C. Trowel-applied with rapid dry-out capability.
Duty Rate — Mexico → 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
• Set time (<30 min) and bond strength tests mandatory
• Kiln rotation compatibility noted in technical data sheets