PROCESS FOR MANUFACTURING GYPSUM FORMS

The process comprises pouring of plaster produced by mixing of paste with treated water, for stripping and drying at a suitable temperature. The paste is obtd. by grinding the gypsum moulds employed in mutiple pouring cycles with dehydration at 150-170 degrees C.. The gypsum moulds withstand relativ...

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Hauptverfasser:	MUNTEAN OVIDIU, RO, PAUL FLORICA, RO, MUNTEAN MARCELA, RO
Format:	Patent
Sprache:	eng ; rum
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 process comprises pouring of plaster produced by mixing of paste with treated water, for stripping and drying at a suitable temperature. The paste is obtd. by grinding the gypsum moulds employed in mutiple pouring cycles with dehydration at 150-170 degrees C.. The gypsum moulds withstand relatively increased number of pouring cycles.