What is the role and mechanism of water

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On construction sites or in home improvement, we see concrete being used a lot. It is important to add a water-reducing additive to concrete. Why is it necessary to add water-reducing agents to concrete and what are the functions and mechanisms of this additive. The answers will be revealed next.

What is water?

A chemical additive that reduces water, has a main component called a surfactant. It can significantly reduce the amount water required to make concrete. Using this addition can reduce the amount of cement required, lower the cost of the concrete and improve the quality.

What's the purpose and functionality of the water-reducing agent?

They include, in particular, the following elements

1. This water-reducing ingredient contains a surfactant which can be used to spread cement particles. It will reduce the need for water.

2. Agents that reduce water can have a dispersing effect on the water inside the concrete, preventing it from drying out and settling.

3. Reduced water-water absorbency: These agents reduce concrete's pores, improving its permeability.

The evolution of water-reducing agent:

1 . The first generation water-reducing agents

Ordinary water-reducing agent (water-reduction rate) >= Also called plasticizer (also known as lignosulfonate), it is the most important representative of lignosulfonate systems (sodium, calcium, and magnesium lignosulfonates, etc.). ).

2 . Second generation water-reducing agents

High-efficiency water-reducing agents (water-reduction rate >= The main representative of melamine systems, aminosulfonate systems, and the aliphatic system.

3 . Third generation water reducing agents

Water-reducing agent with high performance (water-reduction rate). >= This is the most common polycarboxylic acids (water-reducing agent), which can be divided in three categories: Early-strength Type, Standard Type, and Slow-Setting Type.

and , the water-reducing agents , play an important part in concrete. The agent will increase concrete's durability and strength, as well reduce the concrete needed to make it and reduce costs. It is for this reason that water-reducing chemicals are essential in the construction industry.

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