Sika® Sigunit® L-500 AFI SA

Shotcrete Accelerator

Sika® Sigunit® L-500 AFI SA is a liquid, high performance, alkali free, setting and hardening accelerator for shotcrete.
Suitable for use in hot and tropical climatic conditions.

Sika® Sigunit® L-500 AFI SA has the following characteristics and advantages:
  • High early strength development
  • Alkali-free
  • Minimal strength loss of the accelerated concrete
  • No pollution of groundwater by leached out alkalis
  • Distinct reduction of rebound and dust
  • Improved bond of shotcrete to the substrate facilitating overhead spraying
  • Chloride-free, no negative affect on steel reinforcement