Chamotte or dinas earths

Chamotte or dinas earths, refractory mineral materials

NO PGA · STANDARD CUSTOMS PROCEDURE

HSN 2508 70 00 (chamotte or dinas earths) is not covered by a Bureau of Indian Standards Quality Control Order and carries no Partner Government Agency clearance requirement at the tariff-line level. Import follows the standard customs procedure: Importer-Exporter Code (IEC), bill of entry, commercial invoice, packing list. Sibling tariff lines within Chapter 25 — covering other clays, andalusite, kyanite, sillimanite, and mullite — each occupy a distinct classification and should be verified independently for applicable compliance.

No partner government agency notification covers this tariff line.

A word of counsel

Chamotte and dinas earths are refractory raw materials whose end-use — primarily furnace linings, kiln furniture, and high-temperature ceramics — does not, of itself, alter the tariff-line classification, but customs may re-examine classification where the goods are further processed or presented as shaped refractory products under Chapter 69. Re-classification on examination triggers retrospective compliance and potential detention. Confirm the physical and chemical specification against the customs tariff entry before shipment.

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Frequently asked

Does HSN 2508 70 00 require any pre-import registration?

A valid Importer-Exporter Code is required for any commercial import; no product-specific registration applies to this tariff line.

What changes if the chamotte is supplied as shaped refractory bricks or blocks rather than raw material?

Shaped or formed refractory products are classified under Chapter 69 and may attract distinct compliance requirements that do not apply to raw chamotte or dinas earths under Chapter 25.

Last verified against gazette notifications: 2026-05-16. Source: BIS / DGFT / Indian Customs CUSDATA.