A mineral binder system that includes a mineral binder B1 of calcium aluminates having a ratio C/A of calcium oxide C to aluminum oxide A of 0.7 to 1.1, a mineral binder B2 of calcium aluminates having a ratio C/A of calcium oxide C to aluminum oxide A of 1.2 to 2.7, and at least one sulfate carrier is provided. Also provided are a dry mortar which includes this mineral binder system, a wet mortar based on the disclosed dry mortar, and the use of the dry mortar as tile adhesive mortar, levelling compound, waterproofing slurry, grout mortar, screed binder, screed mortar, repair adhesive, and/or damp proof membrane.