Alumina-Silicate Patch Refractory Mortar from Canada
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 — Canada → United States
13%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Set time (<30 min) and bond strength tests mandatory
• Kiln rotation compatibility noted in technical data sheets