Sika® Sigunit® L-535 AF

ALKALI FREE LIQUID ACCELERATOR SHOTCRETE ADMIXTURE

Sika® Sigunit® L-535 AF is a high-performance, liquid, alkali-free shotcrete accelerator. Sika® Sigunit® L-535 AF is a solution based product and no circulation is required to keep it homogenised.

Particularly outstanding advantages of Sika® Sigunit® L-535 AF shotcrete accelerator are:
  • Alkali-free
  • If correctly used, marginal loss of strength of the shotcrete
  • No added pollution to mountain water and underground water by leached-out alkalis
  • Distinctly visible reduction of dust formation
  • Easier overhead spraying by improved shotcrete adherence to rock and concrete
  • Chloride-free, does not attack steel
  • No circulation required