concrete admixture

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A material other than water, aggregates, lime, or cement, used as an ingredient of concrete or mortar, and added to the batch immediately before or during its mixing; used as a water repellent, as a coloring agent, as a retarder or accelerator (to modify its setting rate), etc.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
GRT markets concrete admixtures and auxiliary products for the concrete segment in the central US.
Meanwhile, BASF Construction Chemicals has been manufacturing concrete admixtures in the UAE since 1979.
M2 EQUITYBITES-24 August 2010-Grace Construction Products to raise prices of concrete admixtures and decorative concrete products(C)2010 M2 COMMUNICATIONS
Ahmad J E'wida, Mapei market manager -- Concrete Admixture, said: "The 100 per cent growth in the sales of our admixture line is an important milestone that underlines the reputation of Mapei as one of the most trusted and recognizable brands in the UAE's construction market."
Other new product innovations from Mapei include specially-developed precast concrete admixtures in light of the growing demand for precast concrete, which now accounts for up to 30% of the UAE's concrete construction market.
Lignin is a key raw material in conventional and mid-range water reducers, retarders, and other concrete admixtures. The supply imbalance stems from a shortage of seasoned pulp wood, coupled with unexpectedly high demand the first half of the year and a series of unexpected operational interruptions.
Global specialty chemicals firm Sika AG continued its expansion into growth markets that it started in earnest in 2015 with the opening in February of its concrete admixture production plant in Ethiopia.
"Through research and value engineering on multiple exhibit projects," says Project Manager Mariusz Bleszynski AIA, LEED AP of PGAV Destinations, "we discovered that a concrete pool vessel made watertight by a crystalline concrete admixture or surface treatment is a very economical construction method.
The new plant is an extension of Sika's existing concrete admixture plant, the capacity of which has also been increased.
Sika is opening its first concrete admixture and mortar production facilities in Nigeria and Ivory Coast and has established new subsidiaries in Ethiopia and Tanzania to participate in the growing markets in the Sub-Saharan region.