MasterRheobuild 846 - A high range, water-reducing superplasticiser for rheoplastic concretes

Formerly Rheobuild 846


MasterRheobuild 846 is formulated from synthetic polymers specially designed to impart rheoplastic qualities to concrete. A rheoplastic concrete is a fluid concrete with a slump of at least 200mm, easily flowing, but at the same time free from segregation and having the same w/c ratio as that of a low slump concrete (25mm) without admixture. 

MasterRheobuild 846 is chloride-free.

Where is MasterRheobuild 846 applied?

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

What are the advantages of MasterRheobuild 846?

  • 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

Technical Data Sheet


MasterRheobuild 846 MSDS

pdf (167,98 Kb)

MasterRheobuild 846 TDS

pdf (182,22 Kb)