Sika® Sigunit® L-54 AF

ALKALI FREE LIQUID ACCELERATOR SHOTCRETE ADMIXTURE

Sika® Sigunit® L-54 AF is an alkali free accelerator in liquid form for shotcrete applications.

  • Alkali free (non-caustic) and classified as non-toxic product.
  • Very fast setting of shotcrete mixes
  • No strength loss of the accelerated concrete if used correctly
  • No additional contamination of mountain and ground water due to washed out alkalis
  • Large reduction in rebound
  • Improves bond of shotcrete to rock and concrete, making overhead spray easier.
  • Free of chlorides, no danger to steel reinforcement and steel fibres.
  • Low viscosity – less pumping problems