USE OF A COATING COMPOSITION CONTAINING AN ACID IN THE FOUNDRY INDUSTRY
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United States of America Patent
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Issued Date -
May 25, 2023
app pub date -
Dec 20, 2017
filing date -
Jan 4, 2017
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Abstract
The present invention describes the use of a coating composition, comprising an aqueous phase having a pH of at most 5 and one or more refractories, in the foundry industry and also coated, waterglass-bound foundry molding elements, especially foundry molds and/or foundry cores, which each comprise such an aforementioned coating composition. The invention further describes a method for producing a coated, waterglass-bound foundry molding element. The invention likewise describes a kit whose contents include an aforementioned coating composition, comprising aqueous acid and one or more refractories.
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