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Foam concrete is an eco-friendly and energy-efficient building material that is gaining popularity in modern construction. It is produced using a physical process where a foaming agent is mixed with water to create foam, which is then incorporated into a cement-based slurry along with aggregates, admixtures, and water. The mixture is cast into molds and cured either naturally or through steam. Due to its versatility, foam concrete is widely used in lightweight structures, such as building insulation, tunnel linings, highway backfilling, and subway projects.
One of the key advantages of foam concrete is its lightweight nature. The density of YT foam concrete typically ranges from 300 to 1800 kg/m³, with common grades between 300 and 1200 kg/m³. Recently, ultra-light versions with densities as low as 160 kg/m³ have also been developed and are being applied in construction. This reduced weight helps decrease the overall structural load by up to 25%, and in some cases even up to 40%. By replacing traditional concrete with foam concrete in structural elements, the load-bearing capacity can be enhanced, leading to significant cost savings and improved efficiency.
Another major benefit is its excellent thermal insulation properties. Thanks to the large number of closed air pockets within the material, foam concrete provides superior thermal resistance compared to regular concrete. Its thermal conductivity ranges from 0.08 to 0.3 W/(m·K), making it about 10 to 20 times more insulating than conventional concrete. This makes it ideal for use in walls and roofs, offering great energy-saving potential.
In addition to thermal performance, foam concrete also offers good sound insulation and fire resistance. As a porous material, it effectively absorbs sound, making it suitable for flooring, roadways, and underground structures. Being an inorganic material, it does not burn and enhances the fire safety of buildings.
Foam concrete can be poured on-site, allowing it to integrate seamlessly with the main structure. It also has strong waterproof properties due to its low water absorption and the presence of closed bubbles, which help maintain its integrity. Moreover, it is durable and environmentally friendly, making it a sustainable choice for future construction projects.
This article is sourced from Langfang Tongtai Packaging Materials Co., Ltd.: http://news.chinawj.com.cn