3824999674
- Prepared binders for foundry moulds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included
- Other
- Other
- Other
- Other
- Other
- Mixture with a non-stoichiometric composition: - with a crystalline structure, - with a content of fused magnesia-alumina spinel and with admixtures of silicate phases and aluminates, at least 75 % by weight of which consists of fractions with a grain size of 1-3 mm and at most 25 % consists of fractions with a grain size of 0-1 mm