NCM 25.08 – Other clays, andalusite, mullite and chamotte

About NCM heading 25.08

Clays; (not including expanded clays of heading no. 6806), andalusite kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earth

Heading 25.08 of Brazil's NCM has 7 eight-digit codes. Official Portuguese description: Outras argilas (exceto argilas expandidas da posição 68.06), andaluzita, cianita, silimanita, mesmo calcinadas; mulita; barro cozido em pó (terra de chamotte) e terra de dinas.

The first four digits, 2508, identify this heading within chapter 25. Its six-digit subheadings follow the international HS system; the final two digits distinguish Mercosur's NCM classifications. Select a code below to read its English translation, official Portuguese text and full classification path.

For product coverage and classification context, read the HS heading 25.08 guide.

NCM codes in heading 25.08 7

1. 2508.10.00 BentoniteBentonita
2. 2508.30.00 FireclayArgilas refratárias
3. 2508.40 Clays (excluding expanded clays of heading no. 6806); n.e.c. in heading no. 2508, whether or not calcinedOutras argilas HS code
4. 2508.40.10 Plastic clays, under 1.5% Fe2O3, over 12% LOIPlásticas, com um teor de Fe₂O₃, em peso, inferior a 1,5 % e com perda por calcinação, em peso, superior a 12 %
5. 2508.40.90 Other clays, not bentonite or fireclayOutras
6. 2508.50.00 Andalusite, kyanite and sillimaniteAndaluzita, cianita e silimanita
7. 2508.60.00 MulliteMulita
8. 2508.70.00 Chamotte or dinas earthsBarro cozido em pó (terra de chamotte) e terra de dinas