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2508.30.00.00/Chamotte Fire-Clay/China

Chamotte Fire-Clay from China

Chamotte is pre-fired fire-clay crushed into granules, used in refractory castables for improved strength. Falls under HTS 2508.30.00.00 as dinas earths or chamotte, a semi-processed clay product. Key for glass furnace repairs.

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
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Import Tips

• Document firing temperature (typically 1200-1400°C) to prove chamotte status vs raw clay

• Use ISPM-15 compliant pallets for bulk bags to prevent fumigation delays

• Monitor for iron impurities; high Fe2O3 may invoke earth color exclusions to 2530

Chamotte Fire-Clay from China — Import Duty Rate | HTS 2508.30.00.00