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Effect of lignosulfonate plasticizers on the hydration of C3A

The effect of softwood based calcium- and sodium lignosulfonates on the early hydration of pastes of cubic and orthorhombic C3A with gypsum was invest...
Issue №3, 2016
Section: Science and production
Keywords: C3A, Portland cement, lignosulfonate, retardation
Autor: T.A. Danner, H. Justnes, M.R. Geiker, R.A. Lauten.

Acceleration by retardation

The «acceleration by retardation» concept is to make an admixture composition that will accelerate the setting of Portland cement by retarding two oth...
Issue №5, 2012
Section: Science and production
Keywords: acceleration, expansion, flash set, gypsum, isothermal calorimetry, retardation
Autor: H. Justnes.

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