Calcium Ferrite Refractory Bricks from Mexico
Refractory bricks incorporating calcium ferrite phases with >50% CaO equivalent for waste incinerator linings. Resistant to alkali corrosion from flue gases. Classifies HTS 6902.10.50.00 for high calcium oxide refractories.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Document application in hazardous waste environments to support classification
• Confirm ferrite phase composition via XRD analysis
• Comply with incinerator emission standards documentation