Bare concrete foaming agent, also known as foam concrete foaming agent, the bare concrete foaming agent is an admixture that can reduce the surface tension of the liquid and produce a great deal of uniform and stable foam for the production of foam concrete. The foaming agent is a class of substances that can make its aqueous solution in concrete foaming agent the case of mechanical force introduced into the air to produce a great deal of foam; this class of substances is a surfactant or surface-active substance. The heart and soul of the forced agent is its surface active role. Without the role of surface activity, it can’t be foamed; it can’t be a foaming agent; surface activity is the core of foaming.

The working principle of foam concrete foaming agent
Foam concrete forced agent is able to make its aqueous solution in the case of mechanical action, the introduction of air, but also produces a large number of foam and so on substances; this type of material is the surfactant or surface-active substances. We can also produce a large number of uniform or stable foam now on the market. Very much foaming agents, whether it is the type of ranking, etc., are dazzling; we get from a variety of media statistics, is important with foam concrete production experience people will be difficult to distinguish whether it is good or bad for a while.

Classification of foam concrete forced agent
The foaming agent is actually divided into anionic or non-ionic, amphoteric, and so on according to the ionization nature of the aqueous solution, this classification; then there are man-made foaming agents, rosin resin-based foaming agents, protein-activated foaming agents, and so on.
Foaming agents because they are surfactants or surface-active substances; therefore, according to their ionization properties of, the aqueous solution can be divided into anionic, cationic, non-ionic, and amphoteric four categories. But this classification is too school and abstract. We can part the types of foaming agents according to the article of the components, which are broadly divided into rosin resin type, man-made surfactant type, protein type, compound type, other type, a total of five types.

There are two main ways to produce foam concrete: one is physical foaming, and the other is chemical foaming.

Physical foaming process.
Physical foaming refers to the mechanical method of introducing air, nitrogen, hydrogen, skin tightening and, or oxygen into the slurry formed by bare concrete, cementitious materials, foam stabilizer, and water to make it form a more stable liquid slurry system. The stabilization time of the slurry system should be greater than the initial setting time of the bare concrete. For foam concrete physical foaming is usually used with bare concrete forced agents through the bare concrete foaming machine to introduce air into the foam to join the paddle body and mix to make foam concrete.

Physical foaming technology is used more in the field of floor heating, flooring, roof slope, prefabricated panels and so on. Its key technology, in addition to the need for a good foam stabilizer, is the structure design of the foam generator. In the ingredients design of the stabilizer, the interaction with the foaming agent need not be treated, and thus the freedom of choice is greater. In terms of equipment, the chemical foaming process also uses an additional air compressor and foam generator.

Chemical foaming process:
Chemical foaming is a substance that can chemically react and produce gas (foaming agent) with cementitious materials, foam stabilizer, and water, etc., together with mixing and then preparing and molding, control the temperature so that the reaction of the foaming agent to produce bubbles, the best reaction state is practically no reaction during the mixing and molding, and after the molding and before the initial setting of bare concrete gradually reaction is completed. The principle of chemical foaming of foam concrete matches the principle of steamed buns. Now the more common foaming agent on the market is aluminum dust and hydrogen peroxide.
The machinery used in the chemical foaming process is relatively simple. As the bare concrete slurry in the preparing, before the initial set of the foaming agent continues to produce bubbles, and therefore has an expansion effect, the chemical foaming process is mostly used for filling, plugging, support, and other occasions. It can also be used in the field of prefabricated panels.

Application areas of bare concrete foaming agent
In industrial production and daily city use, the use of forced agents is very different; different applications have different technical requirements for the concrete foaming agent. For example, the fire extinguisher foaming agent only requires its instant foaming volume and oxygen barrier capacity, but not its high stability and fineness. Such as the mining industry with flotation forced agents only requires it for the purpose of strong adsorption and good foaming power; the foaming multiplier and foam stability requirements are not high. And so on, not to list. The foaming agent is used in almost all industrial fields; a use is very wide. The performance requirements of each industry on the forced agent are obviously different; one industry can use the forced agent, another industry can’t be used, or the effect is not good. Similarly, foam concrete foaming agent is used for concrete foaming to put forward the technical requirements. It is in addition to the capacity generate large foam, pay special attention to the stability of foam, foam fineness, foam and bare concrete and other cementitious materials such as customization. Can meet this requirement of narrowly defined forced agent is also Liao, quite few; most of the forced agent is not used in the actual production of foam concrete.
Therefore, foam concrete foaming agents must be a few surfactants or surface-active substances that meet the above technical requirements.
1) Insulating material layer of glorious floor heating and roof winter insulating material;
2) Filling wall blocks inside and outside buildings, sound insulating material walls;
3) city pipelines such as water supply, heating, oil pipelines and other insulating material, moisture-proof, anti-corrosion;
4) construction of plant cultivation greenhouse and storage cold storage;
5) filling of internal voids in tunnels and breaks in buildings;
6) Tarmac, sports fields, courts of grassroots paving, and so on, specific areas.

Addressing the Global Bare concrete and Concrete Association in Zurich on Tuesday, UN Secretary-General António Guterres laid out his vision for change in the industry, which he said was “fundamental to building a better world. inches
Guterres issued a “call to action” to management in presence, asking for “concrete commitments from the concrete industry, inches and then laid out his multi aim: to ban the use of coal-fired power generation in bare concrete production, to prompt governments and industry to accelerate decarbonization efforts and to further develop higher emissions reduction targets and other programs in accordance with UN policy guidelines.
Thomas Guillot, CEO of the Global Bare concrete and Concrete Association, added: “We applaud all the actions our members have taken to implement carbon dioxide reduction measures, and the latest figures show that emissions are falling. However, you will still find many challenges that we must overcome if we are to achieve net zero emissions, including favorable policies and regulations from governments around the world that often do not yet exist. inches
Earlier report: The Global Bare concrete and Concrete Association, has become incredible a roadmap to achieve net-zero concrete by 2050.
The corporation previously announced a unique commitment to reduce CO2 emissions by a 1 / 4 by 2030. The “roadmap” plan presented at the time needed a total of 10 large carbon dioxide capture plants to be built by association members by 2030. Globally, 7 percent of emissions can be assigned to bare concrete and different kinds of concrete (a point highlighted by Guterres) and, along with coal, is seen as a key factor in keeping global temperature rise below the 1. 5°C threshold by 2030.
“The visibility and rigor inherent in the standard ‘s very important. In short: We’d like concrete commitments from the concrete industry. These will provide clarity and predictability for your shareholders, supply stringed and customers. Unethical offsets or gambling on it all on undiscovered technologies won’t get us there. Real, deep emissions deals are what matter, inches Guterres concluded.

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