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 …

More than 50% concrete friends must know the definition of concrete segregation and bleeding. Shanxi anti-segregation agent manufacturer Hebei concrete segregation agent

1. Definition of concrete segregation: Concrete segregation is the separation between the components of the concrete mixture. The cohesion is insufficient to resist the sinking of coarse aggregate, ca…

The correct way to use lubricating agent Hebei lubricating agent manufacturer Liaoning concrete pump truck lubricating agent price

The correct way to use lubricating agent Hebei lubricating agent manufacturer Liaoning concrete pump truck lubricating agent price

The emergence of pump truck lubricating agent has replaced the role of traditional cement mortar in lubricating pump truck pipe walls. Lubricant lubricating pump pipes mainly have the following charac…

What is the purpose of adding retarder and water reducing agent to pumped concrete?

1. Retarder: Pumped concrete mostly uses commercial concrete, which requires small slump loss. Especially for large-volume concrete or concrete constructed at high temperatures in summer, retarder mus…

What is the main impact of retarder on the performance of concrete?

1. Retarder is a common water-reducing agent used to increase the initial setting time of concrete. At the construction site in summer, proper addition of retarder can make the new Mixed soil maintain…

How long is the final initial setting time of concrete after adding a retardant?

Generally, the temperature of commercial concrete here is about 18-24 degrees. I usually control the initial setting to 10 hours and the final setting to 12 hours under the conditions of 20 degrees in…

The seemingly simple mechanism of action of concrete water-reducing agent

Polycarboxylate performance model water-reducing agent is a new type of water-reducing agent that has many outstanding advantages, but its functional principle is not completely clear at this stage. T…

What is the working principle of concrete water reducing agent?

Polycarboxylic acid-based inorganic materials are currently attracting widespread attention. They are mainly used in industries such as concrete water-reducing agents, cleaning preservatives, industri…

The effect of auxiliary raw materials on the adaptability of admixtures

Fundamental reasons: ① After on-site experiments, the key factor affecting the properties of polycarboxylate superplasticizer concrete in the stone is the mud content of the stone. As the mud content …

The relationship between superplasticizer and concrete

The use of concrete admixtures in concrete has made it an indispensable fifth component in concrete. Concrete admixtures also have many types and small dosages, and play a key role in improving the pr…

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