Sika® Stabilizer-5010 TBM CA

Retarding and water-reducing admixture for cement / bentonite injection grouts

Sika® Stabilizer-5010 TBM CA is a retarding and water-reducing admixture for cement or cement / bentonite injection grouts, commonly used in backfilling operations during tunnel excavation with shielded tunnel boring machines (TBMs).

  • Sika® Stabilizer-5010 TBM CA ensures controlled workability of the cement or cement / bentonite grout for up to 72 hours.
  • Sika® Stabilizer-5010 TBM CA allows for the pumpability of the retarded and stabilized grout, and helps reduce segregation.
  • Sika® Stabilizer-5010 TBM CA does not contain calcium chloride or any other intentionally added chlorides.