Portland cement and method of manufacture thereof

Portland cement which is improved relative to ordinary Portland cement, in such properties as water proofness, compressive strength, durability, extended duration of storage and workability in concrete, is provided by coating an asphalt film on the surface of particles of cement powder and homogeneo...

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Bibliographic Details
Main Author DR HONG WON PYO
Format Patent
LanguageEnglish
Published 19.12.1984
Edition3
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:Portland cement which is improved relative to ordinary Portland cement, in such properties as water proofness, compressive strength, durability, extended duration of storage and workability in concrete, is provided by coating an asphalt film on the surface of particles of cement powder and homogeneously mixing carbon black with or without addition of gypsum by requirement, or by addition of carbon black into ordinary Portland cement.
Bibliography:Application Number: GB19830016034