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%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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