MasterRheobuild 858KW

High range, water reducing superplasticiser for rheoplastic concretes


MasterRheobuild 858KW is a ready-to-use, high range water-reducing admixture designed to produce high slump concrete with workability retaining properties. The product is chloride free. 

What are the advantages of MasterRheobuild 858KW?

MasterRheobuild 858KW considerably improves the properties of fresh and hardened concrete. 

Where can MasterRheobuild 858KW be applied?

  • Microsilica concrete 
  • Mass concrete pours 
  • Ready mixed concrete
  • Long-distance transport 
  • Pumped concrete 
  • Casting in hot climates 

To obtain: 

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

Product Information


Central Region
+966 11 2790971
Western Region
+966 12 6394799
+966 12 6395702
Eastern Region
+966 13 8084896
South Region
+966 17 2748255
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