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The Role of Sodium Gluconate in Concrete

Views: 0 Author: Site Editor Publish Time: 2024-06-18 Origin: Site

Sodium gluconate is a white crystalline powder that is easily soluble in water and has stable chemical properties. It can play a variety of roles in concrete.

First, sodium gluconate is an excellent retarder that can extend the initial and final setting time of concrete, providing construction workers with more operating time and improving construction efficiency.

Second, sodium gluconate also has a certain water-reducing effect, which can improve the fluidity and density of concrete and reduce bubbles and defects inside the concrete.

Sodium Gluconate

Sodium gluconate can react with calcium ions in concrete to produce insoluble substances, thereby improving the durability and impermeability of concrete.

Sodium gluconate is a commonly used retarder in the fields of construction, chemical industry, etc. It inhibits the formation of calcium aluminate by lowering the pH value of concrete, prolongs the working time of concrete, and improves its strength and durability.

The mechanism of action of sodium gluconate in concrete mainly involves the following aspects:

Slow setting effect.

Sodium gluconate can be adsorbed on the surface of cement particles to form a protective film, which slows down the rate of cement hydration reaction. At the same time, it can also react with calcium ions in cement hydration products to form insoluble complexes, further slowing down the hydration reaction.

Water-reducing effect.

Sodium gluconate can reduce the surface tension between cement particles, making them easier to disperse in water. This helps reduce water consumption and improves the density and strength of concrete.

Improve concrete performance.

Sodium gluconate can also improve the internal structure of concrete and reduce the formation of pores and cracks. At the same time, it can also chemically react with other components in concrete to form new compounds, improving the crack resistance and durability of concrete.

Sodium gluconate is widely used in the construction industry, especially in situations where it is necessary to improve concrete performance, extend working time or reduce water consumption. For example, under high temperature in summer or low temperature in winter, by adding an appropriate amount of sodium gluconate, the setting time of concrete can be adjusted to make it more suitable for construction needs. In addition, sodium gluconate can also be used as a high-efficiency chelating agent, steel surface cleaning agent, glass bottle cleaning agent, etc., playing an important role in many industries.

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The role of sodium gluconate in concrete Sodium Gluconate Retarder Water reducing agent hs code 2918160000

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The Role of Sodium Gluconate in Concrete

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