HYDRAULISCHES BINDEMITTEL

摘要

The hydraulic binder contains moderately latently hydraulic blast furnace slag milled to a fineness of over 5 000 cm<2>/g Blaine, sulphate activator and activating additives. According to the invention, the moderately latently hydraulic blast furnace slag has the following analytical values: glassiness: above 93 percent; SiO2: 34- 40 percent; CaO: 34-37 percent; Al2O3: above 9 percent and preferably below 13 percent; (CaO+MgO)(Al2O3+SiO2): 0.88-0.98. These values can be set by mixing a plurality of slags. The binder preferably contains 0.5-5 percent of Portland cement clinker or Portland cement.