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What is Foam Concrete and CLC Blocks

What exactly is Foam Concrete and CLC Blocks?

CLC blocks are constructed of foam concrete. In this article we will understand the various forms of foam concrete and the locations they are utilized. In addition, we will know their density and strength. Concrete blocks that are emulsified are costly but they have some limitations. When compared to conventional concrete blocks, CLC blocks are more affordable and have a lower capital expenditure. In addition, they're more durable than conventional concrete blocks. However, the initial cost required to establish CLC plant CLC plant is lower than that of aerated concrete plants.

Which is the foam-concrete?

Foam concrete is a form of lightweight concrete that contains at least 20% foam. It is also known by the name Low Density Cellular Concrete, or lightweight cellular concrete. It is a cement-based slurry which must have at least 20% foam before it can be considered a foam concrete. This kind of concrete is an ideal choice for many construction projects as it is able to save on both labor and expenses.

This lightweight concrete comes with a compressive strength that ranges from 5-8 MPa with a density of about 1000 kg/m3. It can be used in the construction of a home since it has strength and insulation. This lightweight concrete is usually produced using a mixture of fly ash or cement, unlike other brands that use pure cement and water , along with foaming agents.

Another advantage with foam concrete is that it does not require compacting. The material is able to adhere to contours of the subgrade. It can be pumped over long distances using a relatively low pressure. It's also extremely strong and doesn't degrade. However, it will cost more money than normal concrete.

Another advantage for foam concrete is the fact that it can reduce the weight of a structure by up to 88%. Due to its air content, air bubbles are evenly distributed throughout the material. The size of these air bubbles can range between 0.1 to one millimeter. A foam's density ranges between 400 to 1600 kg/m3. It is a good level of fire resistance . It's also a good acoustic and thermal insulator. Another benefit to foam concrete is it needs little or no compaction.

Where are CLC blocks utilized?

Cellular Lightweight Concrete (CLC) blocks are superior to solid concrete blocks that are typically used. These lightweight bricks have a low density due to their lower aggregate and cement levels, and they are better for thermal and sound insulation. They also have a wider shape and size than traditional clay bricks. In the past they used recycled plastics and glass wastes were employed as cement additives to improve the compressive strength. It is vital to understand that the size of the particles in glass needs to be less that 45 mm for it to be effective as a cement substitute.

Most often, CLC blocks are manufactured with a foaming agents that is combined with air and water. The mix is then placed into molds. Once it has been poured, concrete mix takes between 18 and 24 hours for the mixture to be cured. In certain cases steam curing may be utilized in order to reduce the curing duration. This method of curing can provide a better quality appearance.

CLC blocks are manufactured using polypropylene microfibers. The fibers offer a dependable alternative to clay bricks . It is an excellent choice for low-cost housing. Polypropylene micro fibers can improve the performance of brick and masonry. The resultant product has the density of around 2.8 N/m2 which is more than that of typical concrete or brick.

CLC blocks are environmental sustainable. Because the blocks are constructed from waste materials they are free of harmful chemicals and don't release harmful substances into the environment. Furthermore, they're fantastic insulators that help reduce the dead load of an entire building. They also help to save money on the cost of construction materials as well as energy bills for home owners.

The strength and density of foam concrete

The strength and density of foam concrete can vary based on the type of material that is used. Most commonly, foam concrete is made up of cement and an aerogel. Because of its nature, foam concrete is prone to chemical shrinkage. To reduce this, the mix is kept in check with one or two layers of reactive powder concrete as well as mechanical connectors. Additionally, other materials can be added to the mix to increase its strength and stiffness.

The high temperatures can cause cracks in foam concrete. The greater heat, greater cracks are likely to occur. A concrete slab with a density of 1000 kg/m3 has roughly one-sixth the thermal conductivity in normal concrete. Accordingly, reducing its density reduces the efficiency of thermal radiation by 0.04 W/mK.

In addition, because foamed concrete is a brand new material, there isn't established test methods that can be used to test it. The procedure of creating specimens and testing it was based on the procedures for normal concrete. For example, the compression strength of the concrete was measured by PN-EN-12390-3:2011 plus AC:2012. In addition, the elastic modulus was calculated as per the instructions from the Research Building Institute No. 194/98. This foam's density is also identified using PN.EN. 12390-5.2011.

A concrete's durability and hardness are dependent on the percentage of foam in the mortar. The composition of the mortar is composed of low-mass aggregates such as expanded clay pumice, vermiculite and so on. The density of a concrete is important as it influences the strength of it, its permeability and thermal properties. Additive amounts can modify the properties of a concrete.

TRUNNANO is a trusted international chemical material manufacturer and supplier with more than the past 12 years' expertise in the supply of high-quality chemicals and nanomaterials. Our company has been able to develop various powder materials. Customized service is available. If you're in the market for nano powders or nanomaterials, please contact us. or click on the links below to send us inquiries by email to

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