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Autoclaved aerated concrete, AAC, Aircrete
Autoclaved aerated concrete (AAC) is made with fine aggregates, cement, and an expansion agent that causes the fresh mixture to rise like bread dough. In fact, this type of concrete contains 80 percent air. In the factory where it is made, the material is molded and cut into precisely dimensioned units.
1. Autoclaved aerated concrete products are easier to process so that precise post-processing of blocks and plates can be performed (such as drilling, sawing, nailing, etc.). 2. The excellent thermal insulation performance of autoclaved aerated concrete reduces energy consumption for heating or cooling. 3.
The autoclaved aerated concrete production process differs slightly between individual production plants but the principles are similar. We will assume a mix that contains cement, lime and sand; these are mixed to form a slurry. Also present in the slurry is fine aluminum powder - this
Autoclaved aerated concrete, or AAC, is concrete that has been manufactured to contain lots of closed air pockets. Lightweight and fairly energy efficient, it is produced by adding a foaming agent to concrete in a mould, then wire-cutting blocks or panels from the
02/04/2020· SIPOREX is lightweight Autoclaved Aerated Concrete (AAC) which is also called cellular concrete. A schematic diagram of manufacturing process is shown on fig. 1. The basic raw materials are sand, water, aluminum powder and cement. The sand is
Manufacturing Process of AAC Block First a fall, autoclaved aerated concrete is produced by mixing silica or sand or fly ash with cement, lime, water, and expansion agents such as aluminum powder. After mixing, this concrete is poured into the mould of standard size. (For structurally reinforced AAC product, steel rebar or mesh is also placed in mould.)
01/01/2015· This foam concrete is normally air cured. AAC is a class of lightweight concrete that is made by first creating gas bubbles in the fresh concrete and then cured in high-pressure steam curing known as autoclaved. The autoclaved aerated method is generally used in the production of AAC masonry blocks.
Autoclave Aerated concrete is cured in an autoclave a large pressure vessel. An autoclave is normally a steel tube of 3m diameter and 45 meters long. Steam is fed into the autoclaved at high pressure, typically reaching a pressure of 800kPa to 1200 KPa and a temperature of 180°C.
03/09/2020· Autoclaved aerated concrete (AAC),also known as autoclaved cellular concrete (AAC), autoclaved lightweight concrete (ALC), autoclaved concrete, cellular concrete, porous concrete, is a lightweight, precast, Foam concrete building material invented in the mid-1920s that simultaneously provides structure, insulation, and fire- and mould-resistance. AAC products include blocks, wall
AAC Autoclave is a kind of large-scale steam equipment. Autoclave is one of the most devices for the AAC process which can effect the Strength and Comprehensiveness Quality of the products by Steam-Curing and High Pressure.AAC Autoclave is the Pressure Vessel and Key equipment in the production of Aerated Concrete and Autoclaved Brick.