Fundamental Study on the Cause of Efflorescence in Calciumsilicate Brick

고압벽돌의 백화원인에 대한 기초적 연구

The cause of efflorescence originated from calciumsilicate hydrate brick was studied and some reports on efflorescence were reviewed. The main ingredient of undesirable efflorescence powder was sodium sulphate. It was found that influx of sodium and sulphur components was resulted from hydration water and fine sand.