ADDITIVE MIXTURE FOR MOULDING MATERIAL MIXTURES FOR THE PRODUCTION OF WATER-GLASS-BONDED CASTING MOULDS AND CASTING CORES
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United States of America Patent
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Nov 10, 2022
app pub date -
Jun 15, 2020
filing date -
Jun 17, 2019
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Abstract
A description is given of the use of an additive mixture (A) for combination with a solution or dispersion (B) comprising waterglass, for producing a moulding material mixture for producing articles from the group consisting of foundry moulds and foundry cores; a multi-component binder system comprising (A) an additive mixture and (B) a solution or dispersion comprising waterglass; a moulding material mixture comprising a mould base material (C) and also components (A) and (B) of such a multi-component binder system; a method for producing an article from the group consisting of foundry moulds and foundry cores; articles from the group consisting of foundry moulds and foundry cores; and the use of such an article for metal casting, preferably for light metal casting, more particularly for aluminium casting.
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