FUSED CAST BRICK with High Quality

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Product Description:

Fused cast AZS (alumina, zirconia and silica) firebricks are mainly categorized into 33#, 36# and 41# according to different zirconia's contents from 33% to 41%. Fused cast alumina (α-β Al2O3 and β Al2O3) firebricks are composed of alpha alumina, beta alumina and small amount of glass phase.

Both AZS and alumina firebricks have shown excellent performance in glass furnace construction.

Refractory bricks

Index                 Product

AZS-41

AZS-36

AZS-33

ZrO2(%)≥

40

35

32

SiO2 (%)≤

12.5

14

14

Na2O≤

1.2

1.8

1.4

Fe2O3

0.15

0.15

0.15

TiO2

0.10

0.10

0.10

B.D. (g/cm3) ≥

4.12

3.98

3.84

C.C.S (Mpa) ≥

350

350

350

Linear Thermal Expansion (%)

At 1000°C

0.80

0.80

0.80

At 1500°C

0.80

0.80

0.80

Thermal Conductivity

At 600°C

3.3

3.4

3.2

At 1500°C

3.5

3.6

3.5

Electrical Resistance

At 1000°C

400

200

240

At 1500°C

90

55

65

Glass Phase Exudation(%)1500°C*16hr

≤2

≤3

≤3



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