Sika® Sigunit®-D430 AF-id

Alkali free powder shotcrete accelerating admixture

Sika® Sigunit®-D430 AF-id is an alkali free accelerator in powder form for shotcrete (in dry spray process)

Sika® Sigunit®-D430 AF-id has the following characteristics and advantages :
  • Good early strength
  • Alkali-free
  • Minimal strength loss of the accelerated concrete
  • No pollution of groundwater by leached out alkalis
  • Lower rebound during application
  • Improves bond of shotcrete to rock and, making overhead spraying easier
  • Chloride-free, does not attack iron and steel