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On construction sites or in home improvements, 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 surfactant is the main chemical component of water reducing agents. Water reducing agent can be used to reduce the amount water required in concrete. It also improves the strength and durability. This additive reduces the amount of cement required, lowers the cost and improves the quality of construction.
What’s the purpose and functionality of the water-reducing agent?
They include, in particular, the following elements
1. This water-reducing additive 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 concrete, preventing it from drying out and settling.
3. Reduced water absorption: These substances reduce the number of pores in concrete and improve its durability.
The evolution of water-reducing agent:
1 . The first generation of water reducing agents
Ordinary water-reducing agent (water reduction ratio) >= Plasticizer (also known as lignosulfonate) is the most important representative of the system of lignosulfonates. ).
2 . Second generation water-reducing agent
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). >= It is a water-reducing polycarboxylic agent that can be classified into early strength, standard strength, and slow setting type.
and , the water-reducing agents , play a major role in concrete. The agent will not only improve the strength and durability, but it will also reduce the concrete needed. It is for this reason that water-reducing chemicals are an important chemical component in construction.