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2508.50.00.00/Calcined Andalusite 55% Al2O3/Mexico

Calcined Andalusite 55% Al2O3 from Mexico

Calcined andalusite with 55% alumina content is heat-treated to convert partially to mullite, improving thermal shock resistance. HTS 2508.50.00.00 covers this calcined form before further processing into finished refractories.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Alumina content certificates mandatory; discrepancies lead to 2529 reclassification

• Declare calcination temperature (typically 1300-1500°C) to confirm processing level

• Bulk bag labeling must specify 'not for expanded clay production' per statistical notes

Calcined Andalusite 55% Al2O3 from Mexico — Import Duty Rate | HTS 2508.50.00.00