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What is Foam Concrete and CLC Blocks

What exactly is Foam Concrete and CLC Blocks?

CLC blocks are built from foam concrete. In this article, we’ll learn more about the types of foam concrete along with the areas they can be used. We will also know about their strength and density. Concrete blocks that are emulsified are costly but they have some limitations. As compared to conventional concrete block, CLC blocks are more accessible and come with a lower capital expenditure. They are also more robust than concrete blocks of the conventional variety. However, the initial capital investment needed to begin an CLC plant is much lower than the cost of aerated cement plants.

Foam concrete is what it is.

Foam concrete is one type made of lightweight concrete, which contains a minimum of 20 percent foam. It is also known by the name Low Density Cellular Concrete or Light-weight Cellular Concrete. It is a cement-based slurry that must contain at minimum 20% foam to be considered as foam concrete. This type of concrete is a fantastic option for many construction jobs since it can cut down on costs and labor.

This lightweight concrete has compressive strength of between 5-8 MPa. Its density is around 1000 kg/m3. It is a great material to construct a house since it can provide strength and insulation. The concrete that is lightweight is usually created using a slurry made of fly ash or concrete, while other vendors will use pure cement and water , along with a foaming ingredient.

Another advantage in foam concrete lies in the fact it doesn’t require compacting. The material bonds to edges of the subgrade. Therefore, it can be pumped over long distances using relatively little pressure. It is also very durable and does not break down. However, foam concrete tends to be more costly regular concrete.

Another advantage from foam concrete is that it can reduce the weight of a structure by as much as up to 80%. Because of its air content the air bubbles are evenly distributed throughout the concrete. The size of the air bubbles can range from 0.1 to one mm. In terms of density, foam concrete ranges between 400 to 1600 kg/m3. It has a high degree of fire resistance . It is an excellent thermal and acoustic insulator. Another advantage to foam concrete is it demands little or no compaction.

Where can CLC blocks utilized?

Cellular Lightweight Concrete (CLC) blocks are superior to the traditional concrete blocks. They have a lower density because of their aggregate and cement contents, and are more suitable for thermal and sound insulation. These bricks are also of a wider form and larger size than traditional clay bricks. In previous studies, recycled plastic and glass wastes were utilized as cement additives, which improved compressive strength. It is important to remember that the particle size of glass needs to be less that 45 mm for it to function as a cement substitute.

In general, CLC blocks are manufactured using a foaming agent that is combined with air and water. The mixture is pouring into moulds. After it is poured, the concrete mixture needs between 18 and 24 hours to set. In some cases steam curing can be employed in order to shorten the curing time. This curing method also improves the result.

CLC blocks are manufactured using polypropylene micro fibers. They are a reliable alternative to clay bricks . It is an excellent choice for homes that are low-cost. Furthermore, polypropylene microscopic fibers boost the peak performance of masonry and bricks. The end product is characterized by an approximate density of 2.8 N/m2 this is significantly higher than concrete or brick.

CLC Blocks can be described as eco friendly. Since they are made out of recycled materials, they are not contaminated by hazardous chemicals and do NOT emit harmful pollutants into the air. Furthermore, they’re extremely efficient at insulating and lower the dead load of an building. They save money on energy bills and construction materials for house owners.

strength and density of foam concrete’s strength and density

The strength and density of foam concrete vary based on the type of material used. It is generally believed that foam concrete comprises cement and an aerogel. Because of its composition foam concrete is susceptible to shrinkage in chemical form. In order to limit this, the mix is contained by multiple layers or layers powder concrete and mechanical connectors. In addition, additional substances can be added to the mix in order to improve its stiffness and strength.

Temperatures that are high can cause cracks in concrete foam. The higher heat, greater cracks will develop. A concrete sample that has a density of 1000 kg/m3 has approximately one sixth of the thermal conductivity that is found in a normal concrete. In turn, reducing the density will reduce the heating conductivity by 0.04 W/mK.

Furthermore, because the foamed concrete material is a novel product, there’s not standardized test methods for it. This is why the procedure of making the specimens for testing it was based on the procedures that are used for conventional concrete. For instance, the compression strength of the concrete was measured in accordance with PN-EN 12390-3:2011 and AC:2012. Furthermore, the degree of flexibility was determined according to the Instruction from the Research Building Institute No. 194/98. Density of foam also calculated using PN EN 12390-5.

Its strength as well as density is dependent on the amount of foam in the mortar. Its structure is made up of low-mass aggregates like expanded clay, vermiculite, and pumice. The density of a concrete is significant because it influences its strength, permeability, in addition to its thermal and mechanical properties. The amount of admixtures that are used in concrete can alter the properties of the concrete.

TRUNNANO is a reliable international chemical material producer and supplier with more than 12-years of expertise in manufacturing high-quality Nanomaterials and chemicals. At present, we have created the most diverse range of powders. We can provide a custom service. If you’re interested in powders or nanomaterials, please get in touch with us. Click on the items below to contact us via email at

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