Mullite Light -Weight Brick

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Product Description:

The raw material is crude highquality highalumin low ferrous content material. The unique polylight spheres producing technique is adopted. The main structure of this high-quality heat insulation refractory brick is mullite crystal phase. The characteristics of this product are:

High compression strength

Good high-temperature performance

Excellent thermal shock stability

Low thermal conductivity

Outstanding penetration resistance ability

Erosion resistance

Application:

It may be widely used as the lining and the heat insulation layer of industrial  kilns in the fields of metallurgy, petrochemistry, machinery, power, ceramics, etc... It is an ideal product of long service life, energy-saving and effects-enhancing product.

Brand

Item

JM-23

JM-26

JM-28

JM-30

Al2O3(%)min

37

50

60

68

Fe2O3(%)max

1.0

1.0

0.7

0.5

SiO2(%)max

45

43

36

29

Safty Application Temp.(°C)max

1260

1430

1540

1650

Bulk Density(g/cm3)

0.5

0.8

0.95

1.05

Bending strength(Mpa)min

0.7

1.1

1.6

2.0

Crush strength(Mpa)min

1.0

2.0

2.3

2.7

RLC(%)max

1230°C×24h

0.3

1400°C×24h

0.4

1510°C×24h

0.5

1600°C×24h

0.6

Reversible thermal expansion at1090°C(%) max

0.5

0.6

0.8

0.8

Thermal conductivity (w/m.k)max

400°C

600°C

800°C

1000°C

0.15

0.17

0.19

0.24

0.28

0.31

0.33

0.35

0.33

0.36

0.39

0.42

0.41

0.43

0.45

0.48

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