Pozzolith 300 R ready-to-use, liquid admixture is used for making more uniform and predictable high-performance concrete while retarding its setting time to facilitate placing and finishing operations. It meets ASTM C 494 requirements for Type B, retarding, and Type D, water-reducing and retarding, admixtures.
Features
Reduced water content required for a given workability
Retarded-setting characteristics
Improved workability
Reduced segregation
Superior finishing characteristics for flatwork and cast surfaces
Moderate to extended retardation – depending on the dosage rate
Benefits
Flexibility in the scheduling of placing and finishing operations
Offsets the effects of too-early hardening during extended delays between mixing and placing
Helps eliminate cold joints
Dead-load deflection can take place (before concrete sets) in extended pours for bridge decks, cantilevers, nonshored structural elements, etc.
Peak temperature and/or rate of temperature rise in mass concrete lowered thereby reducing thermal cracking
Increased compressive and flexural strength
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