Sika® Sigunit® L-530 AF

Liquid Accelerator for Shotcrete in Solution

Sika® Sigunit® L-530 AF is a high-performance liquid, alkali-free, setting and hardening accelerator for shotcrete. Sika® Sigunit® L-530 AF is a solution based product and no circulation is required to keep Sika® Sigunit® L-530 AF homogenised.

Sika® Sigunit® L-530 AF liquid shotcrete set accelerator has the following characteristics and advantages:
  • No circulation required
  • No waste due to settlement
  • 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
  • Improves bond of shotcrete to rock and concrete thus facilitating overhead spraying
  • Chloride-free, does not negatively affect the reinforcement steel