MasterRoc AGA 41 - Accelerating admixture for TBM annulus grouting

Formerly: MEYCO GA 41

How does MasterRoc AGA 41 work?

MasterRoc AGA 41 admixture is a high-performance grout accelerator mainly used for Tunnel Boring Machine (TBM) annulus grouting. The dosage of MasterRoc AGA 41 admixture can be varied to the desired setting and hardening times. MasterRoc AGA 41 is a liquid material which is added into the grout stream as close as possible to the end of the tailshield through the grout ports.

Recommended for use:

  • TBM applications
  • Grout mixes with or without cementitious binders

What are the unique features of MasterRoc AGA 41?

  • Adjustable setting times
  • Low viscosity

What are the benefits of MasterRoc AGA 41?

  • High early strength
  • Low consumption
  • Easy to mix into grout, even at low temperatures

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