Setting regulator-contg. gypsum-based binder mixt

The binder mixt. consists of 20-40 (pref. 25-35) wt. parts alpha hemihydrate, 45-77 (pref. 50-70) wt. parts foundry sand and 3-15 (pref. 6-13) wt. parts Portland cement clinker and contains, as gypsum setting regulating powder additive, 0.2-10 (pref. 0.4-8) wt.% dihydrate and/or 0.2-1 wt.% easily so...

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Bibliographische Detailangaben
Hauptverfasser:	LUDWIG, UDO, DR.., 52074 AACHEN, DE, MOELLER, WOLFGANG., 42105 WUPPERTAL, DE, KANIG, MARTIN.NAT., 52072 AACHEN, DE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The binder mixt. consists of 20-40 (pref. 25-35) wt. parts alpha hemihydrate, 45-77 (pref. 50-70) wt. parts foundry sand and 3-15 (pref. 6-13) wt. parts Portland cement clinker and contains, as gypsum setting regulating powder additive, 0.2-10 (pref. 0.4-8) wt.% dihydrate and/or 0.2-1 wt.% easily soluble sulphate(s) as setting accelerator and 0.01-0.5 wt.% conventional organic setting retarder.