MasterRoc SA 545

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

How does MasterRoc SA 545 work?

MasterRoc SA 545 is a high-performance alkali-free, noncaustic and non-toxic accelerator for use in the dry-mix sprayed concrete process. It is a powder additive whose dosage can be varied to the desired setting and hardening times.

What is MasterRoc SA 545 used for?

MasterRoc SA 545 is suitable for all applications where high early strength, high final strength and very thick sprayed concrete layers are required.

• For temporary and permanent ground support in tunneling and mining

• Slope stabilization

• For repair works

What are the benefits of MasterRoc SA 545?

• Overhead layer thickness of 10-15 cm in a single application

• Rapid work process

• Good early strength development

• Limits the decrease of final strength

• Improves durability as compared to mixes with traditional accelerators

• Provides an improved working environment

• Reduces salt content in leaching water