
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