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It is a concrete additive used in building materials, which can effectively reduce the amount of water used in the concrete mix and keep its degree of leakage unchanged. This mixture is made of polymers such as wood sulfonate, which have a certain dispersing effect on the cement particles, can improve their working performance and fluidity, in addition to saving materials.

It is a concrete additive used in building materials, which can effectively reduce the amount of water used in the concrete mix and keep its degree of leakage unchanged. This mixture is made of polymers such as wood sulfonate, which have a certain dispersing effect on the cement particles, can improve their working performance and fluidity, in addition to saving materials.

Polycarboxylic acid water reducing agent

For concrete construction projects, a water reducer is most commonly used, it can effectively improve the plasticity of concrete. So what is a water-reducing agent? What is the function of a water-reducing agent?

It is a concrete additive used in building materials, which can effectively reduce the amount of water used in the concrete mix and keep its degree of leakage unchanged. This mixture is made of polymers such as wood sulfonate, which have a certain dispersing effect on the cement particles, can improve their working performance and fluidity, in addition to saving materials.

The water reducer is mainly used in concrete projects with C15 to C60 and above, especially for concrete projects with quality requirements, this type of additive is indispensable. However, there are two types of water-reducing agents: common type and high efficiency. Be careful when choosing, as the performance of these two types is different. For common water reducers, it cannot be used in concrete projects where the temperature is below 5 degrees Celsius, while high efficiency models can be used in concrete projects above zero degrees Celsius.

The role of the water-reducing agent

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1. The water reducer can reduce the amount of material used without changing the proportion of the main raw materials. For example, if the water reducer is mixed with zero seconds at 0.5%, it can save 15 to three percent. Ten quantities of cement. At the same time, it can effectively improve the rheology and plasticity of concrete, allowing it to have a variety of construction methods, such as pumping, automatic flow, etc., which saves a lot of construction time.

2. After adding the water-reducing agent to the concrete, it can effectively increase its service and at least double it. In addition, it can also reduce its shrinkage rate during solidification, avoid the cracking phenomenon in the later stage of the component, and the frost resistance will also be improved, which is very useful for winter use.

It is commonly used in cement mortars. Once dissolved, it is adsorbed on the surface of cement and other particles. Due to mutual repulsion, the agglomerate particles are separated into smaller structures and fully filled in the gaps of the large mortar particles, and at the same time bound water in the particle agglomerates is proudly released to achieve the water demand reduction effect, so it is called water reducing agent. , also called a diffusion agent.

The development and application of high-performance polycarboxylic acid-based water-reducing agents is relatively rapid. In almost all major and important projects in the country, especially in water conservation, hydropower, hydraulic engineering, offshore engineering, bridges and other projects, the polyoxamic acid water reducing agent has been widely used. Such as: Three Gorges Project, Longtan Xiaowan Hydroelectric Power Station, Xiluodu Hydroelectric Power Station, Jinping Hydroelectric Power Station, etc., as well as Dayangshan Port Project, Phase II Project of Ningbo Beilun Port, Sutong Bridge, Hangzhou Bay Bridge, Donghai Bridge, Maglev Project , etc.

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