Micaceous Fire-Clay from Japan

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 — 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

• 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