Sika® Sigunit® L-72 AF

Liquid Alkali-free Shotcrete Accelerator

Sika® Sigunit® L-72 AF is a high performance, alkali-free liquid set accelerator for shotcrete applications.

Sika® Sigunit® L-72 AF liquid shotcrete set accelerator has the following characteristics and advantages:
  • High early strength development
  • Alkali and Chloride free
  • No pollution of groundwater by leaching of alkalis
  • Distinct reduction in rebound
  • Improves bond of shotcrete to rock and concrete thus facilitating overhead spraying
  • Distinct reduction of dust