Conplast RP578 disperses the fine particles in the concrete mix, enabling the water content of the concrete to perform more effectively. The initial hydration of the cement is also delayed, resulting in a delay in setting time of the concrete with no adverse effect on stiffening and strength again.
- Water reduction significantly improves compressive strengths at all ages and enhances durability through the production of low permeability concrete.
- Controlled retardation extends working life and stiffening time for ease of construction.
- Particularly effective in improving compressive strength of mixes containing PFA, GGBFS and microsilica.
- Control of stiffening improves slipforming and assists in preventing the formation of cold joints in large pours.
- Minimised transportation delay problems maintains placeability and reduces the risk of pump blockage.
- Allows specified strength grades to be met at reduced cement content or increased workability.
- Flexible dosage allows optimum and cost effective use.
- Chloride-free, safe for use in pre-stressed and reinforced concrete.
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