​​​MasterRheobuild 620 - Retarding Superplasticising admixture for concrete

How does MasterRheobuild 620 work?

MasterRheobuild 620 is composed of synthetic polymers specially designed to impart rheoplastic qualities to concrete.

Recommended uses:

• Ready mixed concrete
• Long hauls
• Pumped concrete
• Concrete containing Granulated Slag/ Pozzolans
• Mass concrete pours
• Hot weather concreting

What makes a unique solution?

MasterRheobuild 620 is for < M-40 grade concrete with longer workability retention, mainly for Ready Mix concrete.

What are the features and benefits of MasterRheobuild 620?

• Reduced thermal peaks
• High workability for longer periods
• Lower pumping pressure
• Resistance to segregation even at high workability
• Extended setting with longer workability
• Reduced water content for a given workability
• Higher ultimate strengths
• Reduced permeability
• Improved durability
• Reduced shrinkage and creep
• Increased ease in finishing concrete
• Provides lower in-place cost