Stratlingite, Ca 4 Al 2 (OH) 12 [AlSi(OH) 8 ] 2 ·2H 2 O, is an AFm phase which appears as a hydration product of aluminium-rich cements. These binders may be calcium aluminate cements, calcium sulfoaluminate cements and also belite calcium sulfo-aluminate (BCSA) cements. The structure of stratlin…