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AAC BLOCK
Details

1. What Is AAC Block? 

  Autoclaved Aerated Concrete is a high quality building material manufactured from quartz sand ,lime ,cement, aluminum compound and water several natural chemical reactions take place during the manufacturing process that account for AAC ‘s high strength ,light-weight and thermal properties.

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  AAC (Autoclaved Aerated Concrete) lightweight blocks (bricks) can be used as external (exterior) wall, internal (interior) wall, partition wall to well replace tradition bricks and precast concrete. The new building material has been used in various kinds of buildings, such as public facilities, industrial constructions, civil housing, hospitals, hotels, schools, stores, supermarkets etc.

2.AAC block Specifications

L(length)

600mm

B (breadth)

100mm,120mm,125mm,150mm,200mm,250mm,300mm

H(height)

200mm,240mm,250mm,300mm,400mm

Bulk density grade

B04

B05

B06

B07

Normal dry
            density (kg/m3)

Prime (A)≤

400

500

600

700

Acceptable (B)≤

425

525

625

725

Strength grade
            (MPa)

Prime (A)

A2.5

A3.5

A5.0

A5.5

Acceptable (B)

A2.0

A2.5

A3.5

A4.0

 Drying contraction
            (mm/m)

Standard method

 0.5

 0.5

0.5

0.5

Rapid method

 0.8

 0.8

0.8

0.8

Frost resistance

Weight less %≤

5

5

5

4

Strength (Mpa)≥

Prime (A)

1.60

2.8

4.0

4.5

Acceptable (B)

2

2.8

3.2

Thermal conductivity

Dry (w/m.k)

0.11

0.13

0.15

0.16


3.AAC Block Advantages

Light weight, good thermal insulation performance, good fireproof performance and do not send out harmful gas, good machinability and absorption function, convenient construction, improve construction efficiency;

4. AAC Block application in daily life 





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