Castable Refractory Mix for Boilers from Canada
A pourable, high-purity alumina castable for repairing boiler walls and combustion chambers. HTS 3816.00.20 covers this as other refractory concrete, curing to withstand rapid temperature changes. Used in power plants and industrial boilers.
Duty Rate — Canada → United States
13%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify pourability and set time with manufacturer data sheets for customs verification
• Ensure FIFO labeling for multi-bag shipments to avoid quality claims