Autoclaved Aerated Concrete
Autoclaved Aerated Concrete (AAC) is a building material made primarily from sand, cement, lime, gypsum, and water. It is a lightweight, precast, foam concrete that contains air bubbles uniformly distributed throughout the mixture.
The manufacturing process of AAC involves a chemical reaction that produces hydrogen gas, which forms air bubbles within the concrete mixture. This process is known as “aerating,” which is followed by “autoclaving,” a high-pressure steam curing process that produces a final product with excellent strength and durability.
The production process of AAC starts with the mixing of raw materials in a large mixer. The mixture is then poured into a mold where it is left to cure for a few hours. Once cured, the mold is removed, and the AAC block is cut into the desired shape and size. After shaping, the blocks are placed in an autoclave, where they undergo steam curing for several hours. The high pressure and temperature within the autoclave cause the blocks to expand and harden, resulting in a durable and strong final product.
AAC has become increasingly popular in the construction industry due to its lightweight, thermal insulation, and fire-resistant properties. It is also eco-friendly, as it requires less energy and raw materials to produce compared to traditional concrete. Additionally, AAC is resistant to termites and pests, which makes it an excellent choice for regions where infestations are common.
Autoclaved Aerated Concrete is a versatile and sustainable building material that offers a range of benefits over traditional concrete. It is made by aerating and autoclaving a mixture of sand, cement, lime, gypsum, and water, resulting in a lightweight and durable final product. If you’re looking for a high-quality building material that is environmentally friendly and cost-effective, AAC might be the right choice for your next construction project.