MasterPozzolith 425R - Set retarding and water reducing concrete admixture


How does MasterPozzolith 425R work?

MasterPozzolith 425R is a ready to use, liquid admixture for producing quality concrete with consistent performance

What makes MasterPozzolith 425R a unique solution?

MasterPozzolith 425R meets ASTM C494 Type B (Retarding) and Type D (water reducing and retarding) admixtures. It does not contain chloride based ingredients and will not initiate or promote corrosion of reinforcing steel in concrete.

How can you benefit from MasterPozzolith 425R?

MasterPozzolith 425R used at optimum dosage enhances the performance of concrete providing the following special qualities:

  • Improved workability
  • Reduced segregation
  • Superior finishing characteristic
  • Controlled retardation depending on the rate of addition
  • Provides flexibility in scheduling of placing and finishing
  • Offset effects of too early hardening during extended delays between mixing and placing.
  • Helps eliminate cold joints
  • Lower peak temperature and/or rate of temperature rise in mass concrete – reduces thermal cracking



MasterPozzolith 425R: Technical Data Sheet

pdf (122.47 Kb)