MasterRheobuild 857AE - A high range, water reducing superplasticiser for concretes containing GGBS and microsilica​


How does ​MasterRheobuild 857AE​ work?

MasterRheobuild 857AE is formulated from synthetic polymers specially designed to impart rheoplastic qualities to concrete, particularly those containing GGBS or microsilica. A rheoplastic concrete is a fluid concrete with a slump of at least 200 mm, easily flowing, but at the same time free from segregation and having the same water/cement ratio as that of a low slump concrete (25 mm) without admixture. MasterRheobuild 857AE is chloride free ​

​​What is MasterRheobuild 857AE used for?

  • Mixes containing GGBS or microsilica 
  • Mass concrete pours 
  • Ready mixed concrete 
  • Pumped concrete 
  • Casting in hot climates

To obtain: 

  • High workability for longer periods 
  • Lower pumping pressure 
  • Delayed setting with longer workability 
  • Higher ultimate strengths. 
  • Reduced permeability 
  • Improved durability​

What ​are the advantages of MasterRheobuild 857AE?

MasterRheobuild 857AE considerably improves the properties of fresh and hardened concrete.

Product Information

Technical Data Sheet

Regional contacts

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