Casting core production service water glass basic binder

摘要

PROBLEM TO BE SOLVED: To provide a binder to be added to molding sand, which is provided with the characteristics suitable for use particularly in a core manufacturing device. ;SOLUTION: In a water glass base binder for manufacturing the casting core composed of alkaline silicate water solution shown with a general formular xSiO2.yM2O.zH2O (M is alkaline ion of Li+, K+ or Na+), the binder contains moisture absorbent.;COPYRIGHT: (C)2001,JPO