What is AAC?
1. Aerated Autoclaved concrete block (light block ) is the light and porous buidling material. It has light, keeping temperature, Environmental protection, can't burn and other advantages. It has a wide prospect of market. It is the main building material in the future.
It can be made into many kinds of bricks(for example: 600× 200× 100, 80× 80× 180, 240× 115× 53, 600× 200× 125),
They could be used industry building and common building. They are more and more popular in the world. In the future, they will replace the Clay brick completely.
2. Areated concrete common conception
Common concrete density is usually 16002400kg/m3, but Areated concrete are 500kg/m3, 600kg/m3, 700kg/m3. It has not the big grain, main use silicon material (for example: Flyash, sand, stone dust and others ), through making the material small for example sand, they can be used directly if has enough degree of small (for example fly ash. Mixing calcium material lime, cement water to a special slop, then add the aluminum dust and the additive. Make the aluminum dust and the special slop have a Chemical reflect. Then produce Hydrogen to make the concrete slop to expanding or swell, foam. Next, put them into the curing room to concreting cutting steaming curing, last, there will bacome the light brick, the porous rate is 70-80%.
| name |
unit |
Cement lime fly ash |
| flash |
% |
65-70 |
| cement |
% |
6-15 |
| lime |
% |
18-25 |
| gypsum |
% |
3-5 |
| Aluminum powder paste(600kg/m 3 ) |
1/10000 |
8 |
| Water & material rate |
|
0.60-0.65 |
| Casting system |
O C |
36-40 |
| Aluminum mixing time |
S |
30-40 |
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What is AAC?
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