Internal sealant for concrete

Details Internal sealant for concrete Internal sealant for concrete

C - Chemistry, Metallurgy

04

B

25/105, 261/56.5

C04B 7/355 (1980.01)

Patent

CA 1133020

FPRF Case 10 Abstract of the Disclosure A method and composition are provided for making a finished concrete structure having a water-impervious surface, A particulate composition of a paraffin wax material, glyceryl fatty-acid esters, and stearic or palmitic acid is added to the aggregate phase and mixed in a wet hydraulic Portland cement mixture. The resul- tant slurry is then poured and cured. The surface of the cured structure is thereafter heated as by solari- zation under black pigmented polyethylene sheets to cause the wax particles to melt and invade capillary and other interstices in the surface region of the con- crete structure, thereby rendering said structure im- pervious to the infusion of water and water solubles.

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