MasterCast 141M - A multi-purpose admixture for cementitious systems. Waterproofs and improves mortars. Bonding agent.

Formerly Rheomix 141M


MasterCast 141 M is (SBR) styrene-butadiene copolymer latex specifically designed for use with cement compositions. It is used in mortar and concretes as an admixture to increase resistance to water penetration, improve abrasion resistance and durability. It is used with cement as a reliable water-resistant bonding agent. 

Where is MasterCast 141M applied?

  • Concrete repair. 
  • Floor screeds and toppings. 
  • External rendering. 
  • Waterproofing and tanking. 
  • Fixing slip bricks and tiles. 
  • Corrosion protection of steel.

What are the advantages of MasterCast 141M?

  • Earlier hardening. 
  • Improved flexibility. 
  • Greatly reduced shrinkage. 
  • Prevents bleeding. 
  • Lower water-cement ratio. 
  • Increased durability and toughness. 
  • High resistance to water penetration. 
  • Good abrasion resistance. 
  • Good frost resistance and resistance to salt permeation. 
  • Good resistance to many chemicals and to mineral oil. 
  • Excellent adhesion to steel and concrete. Adheres well to brick, glass, asphalt, wood, expanded polystyrene and most building materials. 
  • Prolonged corrosion protection. 
  • Proven performance. 
  • Similar thermal expansion and modulus properties to concrete (unlike resin mortars and primers). 
  • Non-toxic. Can be used with potable water. 
  • More economical than epoxy or polyester resin mortar

Product Information

Technical Data Sheet


MasterCast 141M MSDS

pdf (166,15 Kb)

MasterCast 141M TDS

pdf (348,81 Kb)

Info & price request

Address: Cairo Festival City, Building A1 Business District, 1st Floor 11835 Cairo, Egypt​

Hotline Phone: 15560​