RHEOMAC UW 450 anti-washout admixture is a ready to use, liquid admixture specially developed for concrete placed underwater. Concrete treated with RHEOMAC UW 450 exhibits superior resistance to washout of cement and fines.
Features and Benefits
RHEOMAC UW 450 admixture produces a concrete mixture highly resistant to washout, while maintaining workability, pumpability, and placeability. The following special qualities are also provided:
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Minimal to no effect on water demand
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Reduces or eliminates concrete bleeding
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Slump characteristics equal to untreated concrete
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Virtually eliminates segregation even with highly fluid, high water-cementitious ratio mixes
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Reduces/eliminates costly methods of de-watering
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Thixotropic action provides stiffening after concrete is placed
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Minimises environmental impact of cement washout in water
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Minimal to no effect on set time