Erasable aqueous color material composition

摘要

The present invention provides erasable aqueous color material composition for scratching off comprising pigment particles with opacifying property and aqueous emulsions of resins with lump coagulation property, wherein said pigment particles with opacifying property are scaly aluminum particles or synthetic resin particles, and said aqueous emulsions of resins with lump coagulation property are aqueous emulsions of styrene butadiene rubber or carboxy modified styrene butadiene rubber.