MasterRoc SA 187 (formerly: Meyco SA 187) is a high performance alkali free set accelerator for sprayed concrete, whose dosage can be varied to the desired setting and hardening times.

MasterRoc SA 187 Fields of Application

• Temporary and permanent ground support in tunnelling and mining
• Slope stabilization
• Also suitable for acceleration of cementitious grouts, such as for annulus grout in TBM tunnels, cemented ground injection and foam concrete.

MasterRoc SA 187 Features and Benefits

• The quick setting property allows rapid work progress and the ability to construct thick sprayed concrete linings via layered application during one construction sequence.
• The unique product formulation provides fast setting, continuous early-age strength development, high durability and good long term strength