MARKPLAST UWA 450
MARKPLAST UWA450 is a ready to use liquid admixture designed to prevent the loss of cement and fine aggregate during the placement of underwater concrete. MARKPLAST UWA 450 is a blend of different powerful ingredients and colloidal agents that act primarily on the water preventing the cement paste from washing out during casting under water.
Specification Compiles
- ASTM C494 TYPE S
- Minimal environmental impact due to cement washout
- Eliminates the need for expensive de-watering during underwater construction
- Greatly reduces or eliminates concrete bleed water
- Does not effect water demand when slump is maintained
- Easily metered with standard admixture dispensing equipment
- Flexibility in batching procedures
- Reduction in washout of cement and fines
- Underwater bridge repair
- Dam repair below the waterline
- Underwater grouting and mortar application
- Damming underground rivers/lakes in mining operations
- Anti-segregation aid for use with lightweight and heavyweight aggregates
- Reduction or elimination of concrete bleed water for use with fast track construction