cement or zementbeton and methods for their manufacture

摘要

The cement having a clinker base of 11CaO. 7Al2O3 CaX (X = halogen)opt. containing normal cement, e.g. Portland or gypsum type includes as additive: natural or synthetic prozyulan, optionally finely divided blast-furnace slag; NaF; NaOH; soda; HF; cryolite; Na or K aluminate, alumino sulphate, borate, chloride, phosphate or nitrate; Na, K or Mg silico fluoride; Na HCO3 or water glass.