Overview of Concrete Foaming Agent

Concrete foaming agents are substances that lower the surface tension of a solution, allowing gases like air to be uniformly dispersed throughout the mixture, creating a stable foam. This foam is then incorporated into concrete or mortar to produce lightweight, cellular concrete with improved insulation properties and reduced density. These agents are essential in applications requiring materials with high strength-to-weight ratios and excellent thermal insulation.

Features of Concrete Foaming Agent

Stability: Produces a durable foam that remains stable during mixing and curing processes.

Uniformity: Ensures even distribution of bubbles for consistent material properties.

Density Reduction: Significantly reduces the weight of concrete without compromising structural integrity.

Thermal Insulation: Enhances the insulative properties of concrete, making it ideal for energy-efficient construction.

Versatility: Compatible with various types of cementitious materials, suitable for diverse construction applications.

Environmental Impact: Often contributes to greener building solutions by reducing the amount of raw materials needed.

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Specifications of foaming agent for concrete,Cellular lightweight concrete foaming agent for concrete

The Cellular Lightweight Concrete (CLC) Foaming Agent is a high-performance additive designed to produce lightweight, durable, and thermally insulating concrete structures. This specialized foaming agent generates stable, uniform air bubbles within the concrete mix, reducing density while maintaining structural integrity. The product is typically a synthetic or protein-based liquid concentrate, free from harmful chemicals such as alkylphenol ethoxylates (APEO), ensuring eco-friendliness and safety. It appears as a clear to pale-yellow liquid with a near-neutral pH range of 6.5–8.5, making it compatible with most cement types. The concentrate has a density of 1.0–1.1 g/cm³ and is diluted with water at a ratio of 1:30 to 1:40 before use.

The foam produced exhibits high stability, retaining over 90% of its volume for 4–6 hours, which prevents collapse during mixing and curing. The expansion rate ranges between 20–30 times the original volume, creating a homogeneous cellular structure. During application, the diluted agent is aerated using a foam generator and blended into a mix of cement, sand, and water. Typical foam dosage is 1–3% by volume of the total concrete mix, depending on target density.

Resulting CLC achieves a dry density of 400–1800 kg/m³, compressive strength of 1.5–7 MPa (after 28 days), and thermal conductivity of 0.1–0.3 W/mK, offering superior insulation. It meets ASTM E-84 Class A fire resistance standards and is compatible with Portland cement, fly ash, silica fume, and admixtures like superplasticizers. The agent is low in VOCs, non-toxic, and biodegradable, aligning with global environmental standards.

Handling requires basic PPE; storage recommendations are 5–30°C in sealed containers. Available in 20–1000L packages, it has a shelf life of 6–12 months. Applications include lightweight blocks, panels, roofing, insulation layers, and void filling. Benefits include reduced structural load, energy efficiency, sound insulation, and sustainability. Ideal for residential, commercial, and infrastructure projects, this foaming agent enhances construction efficiency while lowering material and labor costs.

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Applications of foaming agent for concrete,Cellular lightweight concrete foaming agent for concrete

Cellular lightweight concrete (CLC) foaming agents are specialized additives designed to introduce stable, uniform air bubbles into concrete mixtures, creating a lightweight, durable, and versatile material. These foaming agents play a critical role in producing low-density concrete with enhanced thermal insulation, reduced structural load, and improved workability. Below are key applications of foaming agents in concrete:

1. Residential and Commercial Construction
CLC is widely used in constructing partition walls, flooring, and roof insulation. Its lightweight nature reduces the dead load on structures, enabling cost savings in foundation design and material usage. Foamed concrete also provides excellent thermal and acoustic insulation, improving energy efficiency in buildings.

2. Infrastructure Projects
In bridges, tunnels, and road sub-bases, lightweight concrete minimizes settlement risks and eases transportation and handling. The material’s ability to fill irregular voids makes it ideal for trench reinstatements and pipeline bedding.

3. Insulation and Fire Resistance
The air-entrained structure of CLC offers superior thermal insulation, making it suitable for insulating walls, roofs, and HVAC ducts. Additionally, its non-combustible properties enhance fire resistance in high-risk environments.

4. Geotechnical Applications
Foamed concrete is used for soil stabilization, backfilling retaining walls, and slope stabilization due to its low density and high flowability. It prevents soil erosion while reducing lateral pressure on structures.

5. Precast Elements
Lightweight blocks, panels, and decorative architectural elements are easily produced using CLC. The material’s ease of cutting and shaping supports innovative designs while maintaining structural integrity.

6. Sustainable Construction
CLC reduces the carbon footprint by lowering cement consumption and incorporating industrial by-products like fly ash. Its insulation properties contribute to energy-efficient buildings, aligning with green building standards.

7. Renovation and Repair
Foamed concrete is ideal for retrofitting old structures due to its lightweight and compatibility with existing materials. It is used for leveling floors, repairing roads, and filling cavities without overloading the structure.

8. Landscaping and Void Filling
CLC is used in creating lightweight garden features, artificial rock formations, and filling abandoned tanks or underground voids, ensuring stability and preventing subsidence.

Cellular lightweight concrete foaming agents enable the production of a material that combines strength, sustainability, and adaptability. By reducing weight, enhancing insulation, and offering eco-friendly benefits, CLC is revolutionizing modern construction across residential, industrial, and infrastructure sectors.

Company Introduction

Welcome to Footprintbooks, a leading supplier in the international market for high-quality concrete admixtures. Our extensive product range includes superplasticizers, waterproofing agents, accelerators, and more, designed to meet diverse construction needs. With cutting-edge technology and stringent quality control, we ensure our products enhance durability, workability, and sustainability of concrete structures. Committed to excellence, we serve customers across the globe, offering tailored solutions and exceptional service. Partner with us for reliable and innovative concrete admixture solutions that build the foundations of tomorrow’s world.

If you have any questions, please feel free to contact us(nanotrun@yahoo.com).

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of foaming agent for concrete,Cellular lightweight concrete foaming agent for concrete

What is a foaming agent for concrete, and what does it do? A foaming agent for concrete is a chemical additive used to generate stable, uniform air bubbles in concrete mixes. When mixed with water and aerated, it produces foam that, when combined with cement slurry, creates cellular lightweight concrete (CLC). This process reduces the density of concrete while maintaining strength, resulting in a lightweight, insulating, and durable material ideal for construction applications like partitions, insulation panels, and void filling.

How does a cellular lightweight concrete foaming agent work? The foaming agent is diluted with water and passed through a foam generator to create high-density foam. This foam is then blended with cement, sand, and water to form CLC. The air bubbles introduced by the foam replace traditional aggregates, significantly lowering the concrete’s weight. The stability of the foam ensures even distribution of air pockets, providing consistent density and structural integrity in the cured concrete.

What are the benefits of using a foaming agent in concrete? CLC made with foaming agents offers advantages such as reduced structural load, improved thermal and acoustic insulation, fire resistance, and ease of handling and cutting. It also minimizes material usage, lowers transportation costs, and speeds up construction timelines. Unlike traditional lightweight aggregates, foaming agents allow precise control over density, enabling customization for specific project requirements.

How is the foaming agent applied in concrete production? The foaming agent is typically mixed with water at a predefined ratio (e.g., 1:30 to 1:50) and aerated using a foam generator. The foam is injected into the cement slurry during mixing. Automated systems ensure consistent foam quality, but manual methods can also be used for small-scale projects. Proper dosing and mixing are critical to achieving the desired density and strength.

Is the foaming agent safe and environmentally friendly? Most modern foaming agents are synthetic or protein-based and designed to be non-toxic, biodegradable, and free of harmful chemicals like alkyl phenols. They comply with international safety and environmental standards. However, users should wear protective gear (gloves, goggles) when handling concentrated solutions and follow manufacturer guidelines for storage and disposal to minimize environmental impact.

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