Mullite Refractory Castable from China
Mullite refractory castable is a synthetic mullite-based dry mix with calcium aluminate binder, designed for casting into linings of petrochemical heaters. It falls under 3816.00.00 as a refractory concrete, providing high creep resistance and thermal shock stability at elevated temperatures.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the castable is a prepared composition, not a raw mullite powder, to qualify for 3816.00.00
• Provide technical data sheets showing the refractory properties to the CBSA if requested
• Check if the shipment contains any organic additives that might trigger additional regulatory requirements