Sikament® RB 561 (formerly known as MasterRheobuild® 561) - is admixture for concrete composed of synthetic polymers.

Formerly: Rheobuild 561

What is and where to use MasterRheobuild 561?

MasterRheobuild 561 is composed of synthetic polymers specially designed to impart rheoplastic qualities to concrete. A rheoplastic concrete is a fluid concrete with a slump value 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 no-slump concrete (25 mm) without admixture.

MasterRheobuild 561 is used for:

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

What are the major benefits of MasterRheobuild 561 ?

• Minimum thermal peaks;
• High flow ability of the concrete for longer periods;
• Easy pumping;
• Delayed setting and longer workability;
• High reliability;
• High ultimate strengths;
• Impermeability;
• Durability.