Method for lowering the viscosity of and liquefying portland...

Details Method for lowering the viscosity of and liquefying portland... Method for lowering the viscosity of and liquefying portland...

C - Chemistry, Metallurgy

04

B

261/57

C04B 24/18 (2006.01)

Patent

CA 1161071

ABSTRACT OF THE DISCLOSURE A method for lowering the viscosity of and/or liquefying Portland cement mixes, especially Portland cement concrete, by means of lignosulfonate. According to the method such a lignosulfonate is added to the mix whose purity is at least 85 per cent. In addition to other conventional additives, an accelerator of cement known per se, whose quantity is 0,2 to 2.0 times as high as the quantity of lignosulfonate, is also added.

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