Coating compositions for casting moulds and cores for avoiding maculate surfaces
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United States of America Patent
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Dec 23, 2015
filing date -
May 28, 2008
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Abstract
The invention relates to a size composition (coating composition) for casting moulds and cores, comprising at least one metal additive which contains a metal or a compound of a metal, wherein the metal is selected from one of groups 7 or 9 to 12 of the Periodic Table of the Elements. The invention also relates to a process for producing a casting mould, which comprises a mould coating of the size (coating) according to the invention, and to the use of said mould for the casting of metals.
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