A cement grinding aid containing a combination of polymer A and known cement grinding aids is also disclosed. The invention relates to an aqueous polymer composition which is used in the form of a cement grinding aid and makes it possible to effectively reduce the grinding time and to obtain cements exhibiting excellent characteristics.
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Concrete plant - Wikipedia. A concrete plant, also known as a batch plant or batching plant or a concrete batching plant, is equipment that combines various ingredients to form concrete.Some of these inputs include water, air, admixtures, sand, aggregate (rocks, gravel, etc.), fly ash, silica fume, slag, and cement.
The Council of Europe is launching its new campaign for schools on 14 November in Norway, in partnership with the European Wergeland Centre. To mark the organisation's 70th anniversary, the Council of Europe's Education Department has launched its Education Portal for Online Learning The aim of ...