Sattler, H.H.SattlerKossatz, G.G.KossatzLempfer, K.K.Lempfer2022-03-082022-03-081992https://publica.fraunhofer.de/handle/publica/302729A cementing agent consisting of sulphatic, lime-rich and pozzolanic substances results in setting products, which have relatively high initial strength, no post-softening typical of gypsum and greater final strength as a result of hydraulic post-setting, depending on the mixing ratio. To ensure a stable-volume setting characteristic, the ratio between lime-rich and pozzolanic components may not exceed 0.75.de608674patent1982-3230406