Ceramics-Silikáty 34, (4) 307 - 314 (1990)

The effects of four grinding aids on the process of grinding Portland clinker and on the properties of gypsum-free cements prepared from the clinker were investigated with respect to particle size distribution, the surface area obtained, apparent viscosity of the cement pastes, the time course of the hydrating reactions and the compressive strength. The results indicate that from the standpoint of early and long-term strength, the ABESON-TEA aid is superior to the LIGRASOL aid used so far.