SikaTard®-440

HYDRATION CONTROLLING ADMIXTURE

SikaTard®-440 is a new hydration controlling admixture to control the hydration of cement. The use of SikaTard®-440 allows the concrete producer to stabilize concrete mixes for long periods without negatively affecting concrete durability.

  • Increases workable life of concrete up to several hours
  • Allows controlled delay in set time
  • Provides flexibility in planning and scheduling concrete pours
  • The effect of SikaTard®-440 in concrete can be negated by addition of appropriate accelerators, at any time