CORE COMPOSITION FOR CASTING, AND METHOD FOR PREPARING CORE FOR CASTING USING THE SAME
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United States of America Patent
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Jun 9, 2016
app pub date -
Dec 5, 2014
filing date -
Dec 5, 2014
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Disclosed are a core composition for casting and a method for preparing a core for casting using the composition. The core composition for casting includes: molding sand; a binder that includes a water glass-based binder and an oxide film inhibitor; and an additive, thereby improving a sand removing property without releasing harmful gases.
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