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2023-11-07 15:19:31  Blog

What is High Slump Retaining Concrete Superplasticizer Admixture

High Slump Retaining Concrete Superplasticizer Admixture, an essential raw material in concrete, have become an indispensable new material for national capital construction because of their high water-reducing rate, low admixing volume, and environmental protection. Because of the significant difference in concrete raw materials, in hot weather or long-distance transportation, the slump loss of concrete is too fast, and the workability could be better, failing regular pouring of fresh concrete, which significantly wastes human and material resources. To reduce the slump loss of concrete, the methods of increasing the amount of polycarboxylate superplasticizer and adding compounding retarding ingredients are adopted, which not only increase the cost of concrete production but also have serious side effects on the strength and durability of concrete. Therefore, there is an urgent need to develop a slow-release and slump-maintaining polycarboxylate superplasticizer. In this paper, through the design of the molecular structure and the introduction of unsaturated ester group and amide group monomers, a kind of slowly-released polycarboxylate superplasticizer with high slump retention were investigated through experiments, and the best ratio and process conditions were selected. The concrete test results show that the slowly-released polycarboxylate superplasticizer has excellent comprehensive performance, good slow-release slump retention performance, and broad application prospects.



Slump retention superplasticizer is the ideal admixture for the ready-mix concrete industry. The ability to work with low water /cement ratios and still obtain extended slump retention allows for manufacturing high-quality concrete. High dispersion performance can provide high water reduction, and the water reduction rate is up to 40%. It gives a guarantee for improving concrete work performance, improving concrete strength and durability, and also reducing cost, especially for hot weather concreting. Molecular controllability: The dispersibility and Plasticity of the water-reducing agent can be adjusted by adjusting the molecular weight of the main chain of the molecule, the length of the side chain, the density of the side chain, and the type of the side chain group. It can improve the workability of concrete, with no stratification, no segregation, no bleeding, and good pump ability. It has an apparent reinforcing effect on hardened concrete, improves shrinkage performance, improves anti-freezing, anti-seepage, and anti-carbonation ability, and prolongs the service life of the concrete. Green and environmental production, no formaldehyde and sulfate ingredients. Suitable for mixed concrete and cast-in-place concrete in various industrial and civil buildings. Applicable to multiple projects with high-performance requirements for concrete, such as water conservancy, port, transportation, bridge, subway, electric power, etc. Suitable for high-strength, high-performance, super-fluid vibration-free Self-flow equalization, and long-distance transportation concrete.



The effect of different types of superplasticizers on fresh properties and strength of self-consolidating concrete (SCC) was investigated. For this purpose, four mixtures containing different superplasticizer types were prepared. In addition, the compressive strength of SCC mixtures was determined at 1, 3, 7, and 28-day ages. Test results indicated that using the different types of superplasticizers affected the fresh properties of the SCC mixtures. The high flowability of SCC is commonly achieved by using a superplasticizer, not by adding extra mixing water. Besides, superplasticizers used in SCC contribute many fresh and hardened mixture properties. It comprises three essential parts: a backbone of polyethylene, grafted chains of polyoxyethylene (POE), and carboxylic groups as adsorbing functional groups. Thus, the early strength of the mixture increased. However, although Mix D has the highest slump loss among the varieties, it showed the lowest compressive strength. This may have arisen because there needed to be more time to consolidate Mix D due to the very rapid slump loss of the mixture. The same observation was made regarding the unit weights of the hardened mixtures. Mix D with 2299 kg/m3 showed the lowest unit weight value among the varieties.


Price of High Slump Retaining Concrete Superplasticizer Admixture

High Slump Retaining Concrete Superplasticizer Admixture particle size and purity will affect the product's Price, and the purchase volume can also affect the cost of High Slump Retaining Concrete Superplasticizer Admixture. A large amount of large amount will be lower. The Price of High Slump Retaining Concrete Superplasticizer Admixture is on our company's official website.


High Slump Retaining Concrete Superplasticizer Admixture supplier

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  • Luoyang Tongrun Info Technology Co., Ltd. ( is the world's leading nanomaterial technology developer and application manufacturer, the company has more than 20 years of industry experience, after years of scientific research and production, has been professionals in lightweight concrete and foam concrete solutions. We can supply concrete foaming agents, superplasticizers, aerogels and foam concrete strength enhancers for lightweight concrete mix, CLC blocks all over the world, suitable for ordinary cement foamed concrete cast-in-place, block, plate, insulation wall, etc.