High Early Strength Polymer-based Superplasticiser for Precast Concrete Description ADVA® Cast 512 is a polymer-based high range water-reducing admixture that is specially designed for producing superior high early strength concrete in precast applications.
ADVA Cast 512 contains no added chloride.
It is formulated to comply with specifications for chemical admixtures for concrete: ASTM C 494 and Type F; BS 5075: Part 3: 1985.
One litre weighs approximately 1.06 kg ± 0.02 kg. Advantages
• Superior Early Strength Enhancement ADVA Cast 512 accelerates cement Advantages hydration at a very early stage. Together • Superior Early Strength Enhancement with the very efficient dispersion effect, • High Workability ADVA Cast 512 achieves very high early • Superior Surface Finish strength for the production of precast • Superior Water Reduction structural elements. • Optimise Precast Concrete Production • High Workability ADVA Cast 512 is ideal for precast Dispersion applications, where high early strength is ADVA Cast 512 is a superior dispersing desired, and where high workability will admixture, having a marked capacity to aid faster placement and improved mix disperse cement agglomerates normally consolidation. found in a cement-water suspension. The capability of ADVA Cast 512 exceeds that • Superior Surface Finish of normal water-reducing admixtures (Type ADVA Cast 512 produces concrete with WR) and High Range Water Reducers (Type superior surface finish, without stickiness, HWR), resulting in lower dosages and better tearing or spotty set characteristics. performance. • Superior Water Reduction Uses With up to 40% water reduction possible, ADVA Cast 512 produces concrete with ADVA Cast 512 is highly effective in low high early strength for precast concrete water-cement concrete, producing high elements, while at the same time achieving strength and high early strength concrete. high workability for easy and fast placement of concrete. It also allows concrete to be produced with very low water-cement ratios in low to high slump ranges. • Optimise Precast Concrete Production Dispensing Equipment The accelerated set times of ADVA Cast ADVA Cast 512 should be kept under 512 may reduce or eliminate the need continuous circulation. This system can be for heat curing to achieve high early installed in all bulk tanks. A complete line of strength concrete. The earlier removal of admixture dispensers is available. Accurate forms leads to reduced cycle times, faster and easy to maintain, the dispensers are easily mould turnaround, reduced total costs and adapted to new or existing batching plants. increased productivity. Packaging Addition Rates ADVA Cast 512 is available in 205L pails and Addition rates of ADVA Cast 512 can vary in bulk. with type of applications, but will normally range from 200 to 1,000 ml / 100 kg of ADVA Cast 512 contains no flammable cementitious material. In most instances, ingredients. It will begin to freeze at the addition of 300 to 800 ml / 100 kg of approximately 0ºC, but will return to full cementitious material will be sufficient. strength after thawing and thorough agitation. Should conditions require using more than recommended addition rates, please consult In storage, and for proper dispensing, your local Grace representative. ADVA Cast 512 should be maintained at temperatures above 0ºC. Compatibility ADVA Cast 512 is not compatible with Health and Safety Darex® Super 20, Daracem® and other NSFC- Please refer to ADVA Cast 512 Material based admixture products. ADVA Cast 512 Safety Data Sheet or consult Grace is compatible with most water-reducing Construction Products. admixtures as well as specialty admixtures like accelerators, DCI® Corrosion Inhibitor, Eclipse® Shrinkage Reducing Admixture and V-MAR® Rheology Modifying Admixture. All admixtures should be separately added to the concrete. Pre-testing of the concrete should be performed to optimise dosages and addition sequence of these admixtures.
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