High-Calcium Aluminate Refractory Blocks from United States
Large refractory blocks with over 50% CaO content, fired for use in cement rotary kilns and lime kilns. These constructional goods provide thermal shock resistance and are shaped for furnace linings.
Duty Rate — United States → Canada
0%
Import Tips
• Verify that the CaO content exceeds 50% by weight and that the blocks are fired after shaping
• Ensure the blocks are not classified as electrical insulators under Chapter 85
• Provide product specifications to CBSA for accurate classification