PORTLAND CEMENT

FIELD: building materials industry, more particularly production of cement. SUBSTANCE: cement comprises portland cement clinker, heat treated active mineral additive and gypsum. Said active mineral additive includes tripoli prefired at 1100-1300 C for 15- 30 minutes. The ratio of components is as fo...

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Bibliographic Details
Main Authors POTAPOVA E.N, OSTROVLJANCHIK V.JA, OSTROVLJANCHIK E.S
Format Patent
LanguageEnglish
Published 27.11.1998
Edition6
Subjects
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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Summary:FIELD: building materials industry, more particularly production of cement. SUBSTANCE: cement comprises portland cement clinker, heat treated active mineral additive and gypsum. Said active mineral additive includes tripoli prefired at 1100-1300 C for 15- 30 minutes. The ratio of components is as follows (wt %): 75-99 portland cement clinker; 1-25 said mineral additive; 3-5 gypsum based on clinker weight. EFFECT: greater strength of element at normal water consumption and higher frost resistance thereof. 1 tbli
Bibliography:Application Number: RU19980104352