MasterRoc AGA 370 - A liquid high performance accelerator as part of two component annular grout system for TBM tunnels 

Formerly: MEYCO GA 370

How does MasterRoc AGA 370 work?

MasterRoc AGA 370 is a high performance grout accelerator, mainly for use in the annular grouting behind the concrete lining of a Tunnel Boring Machine (TBM). It is a liquid additive whose dosage can be varied to the desired setting and hardening times. 

What is MasterRoc AGA 370 used for?

MasterRoc AGA 370 is suitable for all applications where a rapid gel and early strength values are decisive.

MasterRoc AGA 370 TBM

What are the advantages of MasterRoc AGA 370?

  • Faster setting and higher early strengths than without set accelerators 
  • Secures rapid work progress 
  • Low viscosity 
  • Easy to mix into the grout 
  • Low consumption
  • Achieves higher final strengths as compared with traditional accelerators 

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
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