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How to use cement foaming agent?

2023-10-17 11:14:18  Blog

Cement foaming agent is a chemical or physical foaming agent specially used to make foam concrete. Because of its ability to introduce gas, it can form a porous structure in the concrete production process, so as to achieve thermal insulation, sound insulation, fire prevention and other characteristics. This article will describe in detail the use of cement foaming agents, as well as the appropriate precautions to assist readers with gaining the more information available in this area.


The choice of cement foaming agent

When selecting cement foaming agent, it is necessary to consider its foaming ability, bubble stability, raw material adaptability and environmental protection:

1. The foaming agent should be able to produce enough gas to form a porous structure inside the concrete.

2. The bubbles introduced should be stable enough to ensure the plasticity and stability of the foamed concrete. In addition, different cement brands and sand types may require specific foaming agents for best results.

3. Taking into account environmental requirements, non-toxic or low-toxic foaming agents should be selected.


The use of cement foaming agent

The use of cement foaming agent requires various raw materials to be mixed together in a certain proportion. Here are the general steps:

Preparation of raw materials: cement, sand, stone, foaming agent, water and other additives (such as water reducer) should be prepared and screened.

Weighing and mixing: According to the design requirements, the raw materials are weighed in proportion and mixed in the blender. Take care to add water and other additives first, then add cement and sand, and finally add stones and foaming agent.

Stirring and foaming: After stirring the mixture evenly, gradually add the foaming agent and continue to stir. Control mixing speed and time to avoid bubble rupture or uneven mixing.

Pouring and curing: Foam concrete is poured into a mold or structure of the desired shape and size and then cured. Control pouring speed to avoid excessive vibration or segregation. During the maintenance period, the humidity and temperature should be kept appropriate, and attention should be paid to preventing problems such as induration and cracking.


Precautions for the use of cement foaming agent

When using cement foaming agent, the following points need to be noted:

Storage and transportation: Cement foaming agent should be stored in a dry, cool place, away from direct sunlight and high temperature. Also pay attention to avoid vibration and inversion when transporting.

Dosage and proportion: According to the design requirements and instructions, reasonable control of the dosage and proportion of cement foaming agent to avoid excessive use or insufficient amount of quality problems.

Operating environment: Wear protective equipment such as protective gloves and masks when operating cement foaming agent to avoid prolonged contact with skin or inhalation of harmful gases.

Quality testing: After the use of cement foaming agent, its quality should be tested. It can be evaluated by observing the appearance, determining the density, and performing compressive strength tests.

Waste disposal: If the cement foaming agent used contains harmful ingredients, waste disposal needs to be carried out in accordance with relevant regulations to avoid impact on the environment and human health.


The application range of cement foaming agent

Cement foaming agent is widely used in various construction fields, such as thermal insulation, sound insulation, fire prevention and so on. For instance, in the area of thermal insulation foamed concrete could be employed as a thermally insulating material on external walls, floors and roofs of buildings. In terms of sound insulation, foamed concrete can be used for sound barrier, sound insulation wall, etc. In terms of fire prevention, foam concrete can be used as a fireproof material for the firewall, fire door and other parts of the building. In addition, foam concrete can also be used to manufacture lightweight partition wall panels, sound-absorbing panels and other building decoration materials.

To sum up, the use of cement foaming agent needs to pay attention to the following points:

· Select the appropriate foaming agent, according to the proportion of mixing raw materials.

· Control the mixing and foaming process.

· Pay attention to the pouring and maintenance details.

At the same time, it is necessary to pay attention to storage and transportation safety, operating environment protection and quality testing. Cement foaming agent has a wide range of applications, which can be used in many fields such as heat preservation, sound insulation and fire prevention. Understanding how to use cement foaming agent and its precautions can help improve the performance and quality of buildings.

In short, the use of cement foaming agent is one of the key steps in the production of foamed concrete. When choosing the best foaming agent, regulating the amount of raw materials as well as the mixing process, and paying attention to the operation details, high quality foamed concrete products can be made. Understanding these precautions and reasonable application can effectively improve the performance and quality of buildings and create a more comfortable, healthy and safe living environment for people.



TRUNNANO is a supplier of foam agents with over 12 years experience in nano-building energy conservation and nanotechnology development. It accepts payment via Credit Card, T/T, West Union and Paypal. Trunnano will ship the goods to customers overseas through FedEx, DHL, by air, or by sea. If you are looking for high-quality concrete additives, please feel free to contact us and send an inquiry. (

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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.