20110100255 | CORE MATERIAL MIXTURE, METHOD OF FABRICATING CORE FOR CASTING AND CORE FABRICATED BY THE SAME - The present invention features a core material mixture for casting that prevents strength from being decreased and improves de-coring properties. The core material mixture preferably includes molding sand, and a core binder consisting of sodium silicate-based binder and an oxide film inhibitor. The present invention also provides a method of fabricating a core for a casting and a core for the casting fabricated by the same method. | 05-05-2011 |