SCHNELLERHAERTENDE BINDEMITTELMISCHUNG

The binder mix for use with water and, if appropriate, aggregates and additives consists of: a. Portland cement clinker in a quantity of 75 to 95 % by mass, b. reactive calcium aluminates in the form of CA, C12A7 and/or alumina cement in a quantity of 5 to 25 % by mass, and additionally the followin...

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Bibliographische Detailangaben
Hauptverfasser:	LUDWIG,UDO,DR, DEUSSNER,MARTIN
Format:	Patent
Sprache:	ger
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The binder mix for use with water and, if appropriate, aggregates and additives consists of: a. Portland cement clinker in a quantity of 75 to 95 % by mass, b. reactive calcium aluminates in the form of CA, C12A7 and/or alumina cement in a quantity of 5 to 25 % by mass, and additionally the following components, relative to components a and b forming 100 % by mass, c. reactive calcium sulphate in a quantity of 2.5 to 4 % by mass, d. an organic setting retarder, which inhibits the nucleation and growth of calcium aluminate sulphate, in a quantity of 0.1 to 1 % by mass and e. an alkali metal carbonate in a quantity of 0.2 to 0.8 % by mass of Na2O equivalent, the total CaO content being adjusted at least in such a way that no metastable or low-lime hydrated calcium aluminates or ferrites can be formed.