MasterRoc SA 545 – Alkali-free, non-caustic and non-toxic high performance powder accelerator for dry-mix sprayed concrete

Formerly: MEYCO SA 545

How does MasterRoc SA 545 work?

MasterRoc SA 545 is a high performance alkali-free, non-caustic and non-toxic powder accelerator for use in the dry-mix sprayed concrete process. It is specially designed for temporary and permanent ground support in tunneling and mining, slope stabilization and repair works. It is suitable for all applications where high early strength, high final strength and very thick sprayed concrete layers are required.

What are the unique features of MasterRoc SA 545?

  • Dosage can be varied to the desired setting and hardening times.
  • Limits the decrease of final strength.
  • Improves durability as compared to mixes with traditional accelerators.
  • Reduces salt content in leaching water.

How does MasterRoc SA 545 benefit customers?

  • Overhead layer thickness of 10-15 cm in a single application.
  • Rapid work process.
  • Provides an improved working environment.
  • Good early strength development

Product Information

Technical Data Sheet


Central Region
+966 11 2790971
Western Region
+966 12 6394799
+966 12 6395702
Eastern Region
+966 13 8084896
South Region
+966 17 2748255
MasterFlow Anchor Grouts Software

MasterFlow Anchor Grouts Software

Download our MasterFlow Anchor Grouts Software