​MasterRoc SA 190 alkali-free, liquid high-performance set accelerator for sprayed concrete

Formerly: MEYCO SA 190

 

MasterRoc SA 190 description:

MasterRoc SA 190 admixture is a high-performance alkali-free shotcrete accelerator for use in the wet-mix spraying process. It is a liquid additive whose dosage can be varied to the desired setting and hardening times.

MasterRoc SA 190 admixture meets the requirements of ASTM C 1141/C 1141M, Types I /II, Grade 9, Class A.

Recommended uses:

  • Temporary and permanent rock support in tunnels
  • Rock support in mining
  • In poor ground conditions
  • Slope stabilization
  • Acceleration of cementitious grouts that used in TBM tunnel linings, cement grout injection and foam concrete backfill operations
  • Rock support
  • Tunnels
  • Wet shotcrete mixtures

What are the unique features of MasterRoc SA 190

  • Ability to construct thick sprayed concrete linings via layered application during one construction sequence
  • Good early strength development and continual early-age strength development
  • Good long-term strength and durability

What are the benefits of MasterRoc SA 190 

  • Easy handling, as well as easy and efficient addition to the sprayed concrete
  • Little dust and, therefore, a better working environment and improved worker safety
  • Reduces required handling precautions, improving economics

US / Canada product information

  Data Sheet

 

 

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