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Influence Factors of Foam Concrete

2022-11-01 16:55:44  Blog

The concrete foaming agents have major effects on the foam volume, stability, fineness, etc. and also impact the foaming costs, particularly the foam volume and quality.

1. Foaming multiple is the main determinant of foam production per unit weight of foaming agent. While the foaming machine has some influence on foam production, the main effect is the quality foaming agent. .

2. Foam stability. The foaming agent is responsible for the foam's stability, although the machine has a small influence.

3. The foam diameter. The foaming agent can have an impact on the foam diameter (fineness), however it is not as significant as the foaming machine.

4. Foaming cost Foaming agent is the most influential factor, and its cost and dosage will determine the foaming costs.

5. Foam water content The foaming machine and foaming agent have a significant impact on foam water content.


The main influence factors for foam concrete:

1. Ratio of cooperation

Foamed concrete that is only prepared with cement will have a higher strength. Silica fumes, fly ash and sand are all mixed together. Mixtures can cause foamed concrete's initial strength to decline, but not its later strength. The loss of strength in the early stages can be reduced if the stimulator and the catalyst are combined. Fine aggregates are made from sand. Although it does not affect the strength of foamed concrete in any way, they have greater benefits in terms of stability and volume reduction.

2. Water-cement ratio

Analyzing the internal structural changes in foamed concrete will show that increasing the water-cement ratio will invariably lead to a decrease of strength. Experiments have shown that if the water-cement ratio falls within a specific range, it will not only decrease the strength but also show an upward trend. The foaming process is used to prepare foamed concrete. The slurry must be fluid to allow the foam to be evenly distributed throughout the system. A higher water-cement ratio is necessary to achieve this fluidity. If the water-cement ratio is low, it's possible to make high-strength foam concrete by taking the appropriate steps.

3. Additives

Foaming agents, water-reducing agents, and admixture initiators are the main admixtures used in foamed concrete. Foaming agents have a greater effect on foamed concrete, as mentioned previously. You should choose a foaming agent that has few side effects, high foaming power, and low foaming resistance. The initiator's main function is to add admixture to the foam concrete. While the early strength decline may reduce fluctuation, it can also decrease the strength of the concrete. The water-reducing agent can be used to uniformly mix the foam and slurry using a lower ratio of water-cement.

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  • Luoyang Tongrun Info Technology Co., Ltd. ( is the world's leading nanomaterial technology developer and application manufacturer, the company has more than 20 years of industry experience, after years of scientific research and production, has been professionals in lightweight concrete and foam concrete solutions. We can supply concrete foaming agents, superplasticizers, aerogels and foam concrete strength enhancers for lightweight concrete mix, CLC blocks all over the world, suitable for ordinary cement foamed concrete cast-in-place, block, plate, insulation wall, etc.