Basic Dolomite Ramming Mix from Canada
A refractory composition primarily consisting of dead-burned dolomite used for ramming induction furnace linings in steelmaking. It falls under HTS 3816.00.10.00 as a specific dolomite ramming mix, distinct from other refractory cements, providing high-temperature resistance and slag resistance.
Duty Rate — Canada → United States
10%
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
• Verify chemical composition meets dolomite ramming mix standards via lab analysis; obtain certificates of origin for preferential duty rates; avoid misclassification as general refractory cement by specifying ramming application