CHRYSO®Fluid Optima 258 EMX

High Range Water Reducing Admixture

New generation of High Range Water Reducing Admixture based on proprietary polymer. Specially designed for highly technical ReadyMix concrete, CHRYSO®Fluid Optima 258 EMx provides extended slump retention and pumpability to achieve targeted concrete quality and performance on-site. CHRYSO®Fluid Optima 258 EMx improves concrete robustness to optimize the mix design cost/performance ratio.

Meets or exceeds the requirements of ASTM C-494 Type A and F

Application domain

  • All Cement Types
  • Precast Concrete
  • Ready Mix Concrete
  • Post Tensioned and Prestressed Concrete
  • Extended Slump Retention
  • Self Consolidating Concrete (SCC)
  • Very High Early Strength Concrete
  • High SCM Replacement
  • Segmental Retaining Wall (SRW)


  • High Early and Ultimate Strength Performance
  • Enhanced Slump Retention
  • Reduces Job Site Water Additions
  • Improved Flowability
  • Allows better utilization of mixes incorporating high volumes of pozzolans such as fly ash
  • High SCM usage contributes to the protection of our environment (Reduction of CO2 emissions encouraged by LEED directives)


  • 55 gallon drum (210 L)
  • 264 gallon tote (1000 L)
  • Bulk

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