BINDER COMPOSITION FOR MOLDING SELF-CURING MOLD

摘要

PROBLEM TO BE SOLVED: To provide a binder composition for molding a self-curing mold: where formaldehyde odor can be reduced without regulating pH when molding a mold while keeping excellent storage stability; and further the strength of the obtained mold can be kept and to provide a composition for the mold using the same.SOLUTION: A binder composition for molding a self-curing mold: contains at least one selected from among a furan resin, urea, an alkylene urea and an alkyl urea; has a urea content of 0.8 mass% or more and 2.0 mass% or less; and has a pH value of 6.0 or less at 25°C.