There are so many concrete admixtures, such as retarder and reducing agent, what are their functions?

1. The working principle of concrete water-reducing agent: Water-reducing agent is usually a surfactant, which is an anionic surfactant. It is adsorbed on the surface of cement particles so that the p…

What are the main components of concrete retarder, and what are their main functions?

There are many kinds of retarder, including sugar, lignosulfonate, hydroxy acid, inorganic salt and so on. Set Retarder is an additive that reduces the hydration rate and heat of hydration of cement o…

What is the difference between high-efficiency retarder and retarder, and what are their benefits?

The role of high-efficiency retarder is to maintain good slump and fluidity of concrete. Set Retarder is an additive that reduces the hydration rate and heat of hydration of cement or gypsum and prolo…

What are the main components of concrete retarder?

The types of cement retarder can be divided into two categories: inorganic retarder and organic retarder according to their chemical composition. From the perspective of molecular weight or synthesis …

What are the common reasons for using retarder?

High-efficiency retarder is mainly a concrete admixture composed of retarder, air-entraining and other components, and has the properties of super plasticization, high water reduction, and good water …

Are concrete retarder and early strength agent mutually exclusive? Why should they be used?

Concrete retarder delays the initial setting time of concrete, that is, it inhibits the hydration rate of cement. Early strength additives increase the hydration rate and facilitate the early improvem…

Why are concrete retarder and early strength agent suitable for construction in high temperature and low temperature environments respectively?

Why are concrete retarder and early strength agent suitable for construction in high temperature and low temperature environments respectively?

Retarder for concrete is mainly used at high temperatures, because the concrete is made by pouring and smoothing, which requires a certain amount of time, and because of the high temperature environme…

The main components of anti-segregation agent | What are the uses? Jiangsu concrete anti-segregation agent manufacturer, where can I find Shandong segregation agent?

To put it simply, the concrete is light and heavy, and the thick and fine materials are separated. It is inhomogeneous. The coarse and heavy materials sink, and the light and fine materials float. Ant…

What are the functions of concrete silica density agent?

Concrete silica dense agent causes the concrete to expand slightly , dense, with the functions of moisture-proof, waterproof, anti-seepage and anti-cracking. The anti-permeability grade of concrete mi…

What are the raw materials for water reducing agent formula?

Commonly used raw materials to generate polycarboxylate water-reducing agents Allyl alcohol polyoxyethylene ether (APEG), Chemical structural formula: CH2=CHCH20 (CH2CH20)n H): Ammonium persulfate (AI…

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