Sika® Sigunit® L-500 AFI SA
Sika® Sigunit® L-500 AFI SA is a liquid, high performance, alkali free, setting and hardening accelerator for shotcrete.
Suitable for use in hot and tropical climatic conditions.
Sika® Sigunit® L-500 AFI SA has the following characteristics and advantages:
- High early strength development
- Minimal strength loss of the accelerated concrete
- No pollution of groundwater by leached out alkalis
- Distinct reduction of rebound and dust
- Improved bond of shotcrete to the substrate facilitating overhead spraying
- Chloride-free, no negative affect on steel reinforcement