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BLOCK MARK

030

040

045

050

1

Dry state weight
Kg/m3

301-374

375-450

451-500

501-570

2

Damp state max weight
Kg/m3

468

565

625

715

3

Compression strength not less
MPa

1.5

1.5

2.5

3.0

4

Tensile strength not less
MPa

-

-

0.5

0.6

5

Heat conductivity
W/M oc
not more

0.1

0.12

0.13

0.135

6

Heat resistance of 0.2 m thick wall, not less
M2 oc/w

2

1.67

1.54

1.48

7

Shrinkage
mm/m

2

1.9

1.85

1.8

8

Sound damping of the wall thickness

8 cm

32

33

33

34

16 cm

34

36

37

38

24cm

38

40

40

41

9

Fire endurance , min for wall thickness 10cm
(hour)

-

-

-

2 hours in 600oc