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Their addition allows to decrease the water-to-cement ratio of concrete or mortar without negatively affecting the workability of the mixture. It enables the production of self-consolidating concrete and high-performance concrete. The water–cement ratio is the main factor determining the concrete strength and its durability. Superplasticizers ...
A portfolio of concrete admixtures, cement additives, and solutions for underground construction is bundled under the Master Builders Solutions brand. Founded in 1909, the company operates 35 production sites in Europe, North America, Australia, and New Zealand. Master Builders Solutions employs about 1,600 individuals worldwide.
A cement accelerator is an admixture for the use in concrete, mortar, rendering or screeds. The addition of an accelerator speeds the setting time and thus cure time starts earlier. [1] This allows concrete to be placed in winter with reduced risk of frost damage. [2]
BASF SE (German pronunciation: [beːaːɛsˈʔɛf] ⓘ), an initialism of its original name Badische Anilin- und Sodafabrik (German for 'Baden Aniline and Soda Factory'), is a European multinational company and the largest chemical producer in the world. [2] [3] [4] Its headquarters are located in Ludwigshafen, Germany.
Pages in category "Concrete admixtures" The following 18 pages are in this category, out of 18 total. This list may not reflect recent changes. C. Calcium chloride;
Admixtures can be used to reduce water requirements, entrain air into a mixture, to improve surface durability, or even superplasticise concrete to make it self-levelling, as self-consolidating concrete, [14] the use of admixtures requires precision in dosing and mix design, which is more difficult without the dosing/measuring equipment and ...
BASF Performance Products Limited Ciba was a chemical company based in and near Basel , Switzerland . "Ciba" stood for "Chemische Industrie Basel" (Chemical Industries Basel) and was formed when the non-pharmaceuticals elements of Novartis were spun out in 1997, [ 1 ] following the merger in the previous year of Ciba-Geigy and Sandoz that ...
Water reducers are special chemical products added to a concrete mixture before it is poured. They are from the same family of products as retarders.The first class of water reducers was the lignosulfonates which has been used since the 1930s.