2508.50.00.00/Calcined Andalusite 55% Al2O3/Japan

Calcined Andalusite 55% Al2O3 from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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