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QUICKSET AF 645 DRY

QUICKSET AF645 Dry is a powder high performance alkali-free accelerator developed for shotcrete with a very rapid setting time.

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  • Features / Advantages
  • Applications
  • A major use for this product is in accelerated shotcrete for mining, tunneling or rock stabilization operations where rapid set or high early strength are required for structural support.
  • Accelerated shotcrete is also used for rapid sealing of water seepage through rock, earth or concrete.
  • In situations where rapid installation of a reinforced shotcrete is needed, MARKCHEM steel fiber reinforcement can be included in the mix to provide the required performance, as well as silica fume
  • Production of fast setting concrete using conventional Portland cement, for example fence post mix.

  • QUICKSET AF645 Dry powder is added direct to the blending hopper containing the mixed cement and aggregate. The accelerator only begins to work once water is added at the nozzle.