3824991510
- 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
- Ion-exchangers
- Acid aluminosilicate (artificial zeolite of the Y type) in the sodium form, containing by weight not more than 11 % of sodium evaluated as sodium oxide, in the form of rodlets