MasterRheobuild 561M - A high range, water reducing superplasticiser for rheoplastic concretes


MasterRheobuild 561M 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 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 561M is chloride free.

Where is MasterRheobuild 561M applied?

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

What are the advantages of MasterRheobuild 561M?

  • 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

Info & price request

Midrand: +27112032405 Westonaria: +27117541343
Coastal Regions: +27112032405


MasterRheobuild 561M TDS

pdf (83,28 Kb)
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