6902.90.50.10/Clay Refractory Fire Bricks/Mexico

Clay Refractory Fire Bricks from Mexico

High-alumina clay fire bricks designed for lining industrial furnaces and kilns, fired after shaping to withstand temperatures exceeding 1500°C. Classified under HTS 6902.90.50.10 as refractory bricks made primarily from clay, excluding siliceous fossil meals. These constructional goods provide thermal insulation and chemical resistance in high-heat environments.

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
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Import Tips

• Verify firing temperature exceeds 800°C with manufacturer certificates to confirm Chapter 69 eligibility; unfired clay products fall outside this chapter

• Provide detailed composition reports showing clay as primary ingredient (>50%) to avoid misclassification under siliceous earth headings

• Include end-use documentation proving refractory application to distinguish from building materials in Chapter 68

Clay Refractory Fire Bricks from Mexico — Import Duty Rate | HTS 6902.90.50.10