Sika® Sigunit® L-500 AFI
LIQUID ALKALI-FREE SHOTCRETE ACCELERATOR
Sika® Sigunit® L-500 AFI 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.