MasterCast 301 (Formerly: Rheomix 301), is a high performance micro air entraining mortar admixture designed to improve impermeability, workability, and Freeze-Thaw resistance in plaster mortars.

MasterCast 301 Fields of Application

• In inner-outer spaces for vertical applications.
• In plaster mortars to improve impermeability.
• In brick and stone coating mortars for improving workability.

MasterCast 301 Features and Benefits

• Has homogenous air entraining property.
• Reduces segregation and efflorescence effects which can be seen on mortars without admixture.
• Improves neatness and workability properties in mortars.