UltraFiber 500™ fibers are hydrophilic, meaning that when you add UltraFiber 500™ to concrete, millions and millions of fibers are holding onto some moisture throughout the fresh concrete (polypropylene fibers are hydrophobic meaning they repel water). The hydrophilic nature of UltraFiber 500™ supports more complete cement hydration as observed through petrographic examination in accordance with ASTM C 856.*
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How does this work?
As water becomes scarce during the later stages of initial curing, the moisture held by UltraFiber 500™ is given up to unhydrated cement. This results in concrete containing less unhydrated cement, which helps reduce early moisture loss. This increases overall concrete quality and durability. |
