Sika® Sigunit®-L-500 AF

Sika® Sigunit® L-500 AF is a high-performance, liquid, alkali-free accelerator for wet or dry shotcrete.

  • Alkali-free, avoiding additional leaching and pollution of alkalis and pollution of ground and surface water
  • When correctly used, marginal reduction of shotcrete strength
  • Reduction of rebound
  • Easier overhead spraying by improved bond of shotcrete to rock and concrete
  • Reduction of dust formation
  • Chloride-free, suitable for steel reinforced shotcrete and substrates