Sika® Sigunit® P-1 AF


Sika® Sigunit® P-1 AF is a readily soluble powder. Sika® Sigunit® P-1 AF dissolved in water is a high      performance liquid, alkali-free set accelerator for shotcrete. Its effectiveness depends on its mixing      ratio between powder and water.

Sika® Sigunit® P-1 AF dissolved in water as a shotcrete set accelerator has the following characteristics and advantages:
  • High early strength development
  • Alkali-free
  • Minimal strength loss of the accelerated concrete
  • No pollution of groundwater by leached out alkalis
  • Distinct reduction of rebound and dust
  • Improves bond of shotcrete to rock and concrete thus facilitating overhead spraying
  • Chloride-free, no negative affect on reinforcement steel
The supply in powder form has the following additional advantages:
  • High flexibility in use
  • Low cost of logistics
  • Longer shelf-life