Acid Resistant Standard Low Density Mullite Brick

                  Brand

Quality

JM23

JM26

JM28

JM30

Classification Temperature (°C)

1260

1430

1540

1650

Bulk Density (g/cm3)

0.55

0.78

0.88

1.03

Cold Crushing Strength (Mpa)

1.2

1.6

2.1

2.5

Modulus of Rupture (Mpa)

0.9

1.4

1.6

2.1

Reheating Linear Change (%) CT-30°CX 8H

1230°C

-0.5

1400°C

-0.5

1510°C

-0.5

1620°C

-0.9

Thermal Expansion1000°C(%)

0.5

0.7

0.8

0.9

Thermal conductivity(W/m.k)

400°C

0.14

0.27

0.32

0.41

600°C

0.16

0.29

0.34

0.43

800°C

0.18

0.31

0.36

0.44

1000°C

0.20

0.33

0.38

0.45

Al2O3 (%)

37

58

67

73

Fe2O3 (%)

1.0

1.0

1.0

0.5

Tolerance          

>250mm  ±1.0mm  <250mm  ±0.5mm

Corner edge damage: a+b+c< 30mm