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Micaceous Fire-Clay from China

Micaceous fire-clay blends clay with natural mica flakes for enhanced thermal insulation in refractories. Classified in HTS 2508.30.00.00 as fire-clay, not split block mica. Applied in lightweight kiln furniture.

Duty Rate — China → United States

12.5%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Quantify mica <20% to stay in clay heading; higher shifts risk

Distinguish from 2525 mica splittings via thickness tolerances

Use XRF analysis reports for composition transparency