Sika® Sigunit®-L-500 AF
Sika® Sigunit® L-500 AF is a high-performance, liquid, alkali-free accelerator for wet or dry shotcrete.
- Alkali-free, avoiding additional leaching and pollution of alkalis and pollution of ground and surface water
- When correctly used, marginal reduction of shotcrete strength
- Reduction of rebound
- Easier overhead spraying by improved bond of shotcrete to rock and concrete
- Reduction of dust formation
- Chloride-free, suitable for steel reinforced shotcrete and substrates