AptiCem FastSet 90 – a modern alternative to traditional lithium carbonate

AptiCem FastSet 90 is a hydration accelerator designed as a modern alternative to traditional lithium carbonate. By interacting with both the Portland and HAC/CSA content of a binder it enhances early strengths and optimises set times.


AptiCem FastSet 90 is tailored for fast setting cementitious systems where rapid fixing and laying is essential, such as:

  • Tile adhesives and grouts
  • Self-levelling floor screeds
  • Concrete repair systems


  • Accelerates setting times and increases early strength through faster activation of the hydration process in Portland, HAC and CSA cement phases.
  • Compatible with all types of hydraulic binders and additives.
  • Offers a significant benefit over lithium accelerators as it reacts with Portland, HAC and CSA elements of cement mix.
  • Highly effective at low temperatures or where extremely high early strength is desired.