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- Water_reducer abstract "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. These inexpensive products were derived from wood and paper industry, but are now advantageously replaced by other synthetic sulfonate and polycarboxylate, also known as superplasticizers. Water reducers offer several advantages in their use, listed below: reduces the water content by 5-10% decreases the concrete porosity increases the concrete strength by up to 25% (as less water is required for the concrete mixture to remain workable) increases the workability (assuming the amount of free water remains constant) reduces the water permeability (due to less water being used) reduces the diffusivity of aggressive agents in the concrete and so improves the durability of concrete gives a better finish to surfaces (due to all of the above)".
- Water_reducer wikiPageID "5572019".
- Water_reducer wikiPageRevisionID "503419223".
- Water_reducer auto "yes".
- Water_reducer date "December 2009".
- Water_reducer hasPhotoCollection Water_reducer.
- Water_reducer subject Category:Building_materials.
- Water_reducer subject Category:Cement.
- Water_reducer subject Category:Concrete.
- Water_reducer type Artifact100021939.
- Water_reducer type BuildingMaterial114786479.
- Water_reducer type BuildingMaterials.
- Water_reducer type Object100002684.
- Water_reducer type PhysicalEntity100001930.
- Water_reducer type Whole100003553.
- Water_reducer comment "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. These inexpensive products were derived from wood and paper industry, but are now advantageously replaced by other synthetic sulfonate and polycarboxylate, also known as superplasticizers.".
- Water_reducer label "Water reducer".
- Water_reducer sameAs m.0dt4b2.
- Water_reducer sameAs Q7973701.
- Water_reducer sameAs Q7973701.
- Water_reducer sameAs Water_reducer.
- Water_reducer wasDerivedFrom Water_reducer?oldid=503419223.
- Water_reducer isPrimaryTopicOf Water_reducer.