Fly ash aerated concrete block brick
Autoclaved aerated concrete block brick is adaptable, convenient and flexible in use, which has no strict requirements of the specification of plane and space and can easily meet the need of the changing architectural design. The construction machine is easy and portable for usage, featuring by good durability, thermal insulation, moisture, heat insulation and fire-resistant. It is also suitable for load-bearing walls of low-rise and multi-storey buildings, partition walls between multi-storey and high rise buildings, frame filled wall, as well as general industrial building envelope walls. It can be used in the construction of special buildings like cold storage and constant temperature and humidity workshop and replace some kinds of insulation materials. Composite walls of some buildings has used it for insulation.
Density levels of autoclaved aerated concrete block
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Bulk density level
|
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B03
|
B04
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B05
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B06
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B07
|
B08
|
|
Bulk density
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Superior grade product≤
|
300
|
400
|
500
|
600
|
700
|
800
|
|
First grade product≤
|
330
|
430
|
530
|
630
|
730
|
830
|
|
|
Qualified≤
|
350
|
450
|
550
|
650
|
750
|
850
|
According to the quality of appearance, autoclaved aerated concrete block can be divided to superior grade, first grade and qualified product. The requirements of the quality of appearance are shown as below.
The quality of appearance of autoclaved aerated concrete block
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Project
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Index
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Superior grade product
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First grade product
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Qualified
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Allowable deviation of size not more than（mm）
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Length
|
L1
|
±3
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±4
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±5
|
|
|
Thickness
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B1
|
±2
|
±3
|
+3 -4
|
||
|
Height
|
H1
|
±2
|
±3
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+3 -4
|
||
|
Faulty products
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Amount, no more than (piece)
|
0
|
1
|
2
|
||
|
No larger than the maximum size（mm）
|
0
|
70
|
70
|
|||
|
No smaller than the minimum size（mm）
|
0
|
30
|
30
|
|||
|
Plane bending shall not exceed（mm）
|
0
|
3
|
5
|
|||
|
Crack
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Amount, no more than (Article )
|
0
|
1
|
2
|
||
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Either side of the crack length may not exceed the size of the crack direction
|
0
|
1/3
|
1/2
|
|||
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The length of the crack through two side edges is not greater than the sum of the crack surface crack size direction
|
0
|
1/3
|
1/3
|
|||
|
Burst, sticky mold and damage depth no more than（mm）
|
10
|
20
|
30
|
|||
|
Loose surface, spallation
|
Not allowed
|
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Surface oil
|
Not allowed
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Sales Department of Chang Tai New Type Building Materials Co., Ltd.：+86-0534-6298671 +86-13792244545