Chemical Composition ％

AZS-33

AZS-36

AZS-41

ZrO2

≥33

≥36

≥41

SiO2

≤16.0

≤14

≤13.0

Al2O3

>49.5

>48.5

>45.5

Na2O

≤1.5

≤1.3

≤1.1

Fe2O3

0.1

0.1

0.1

TiO2

0.05

0.05

0.05

PT

3.4

-

-

QX

3.45

-

-

MS

3.5

-

-

WS

3.7

3.85

＞4.00

Apparent Porosity ％

1.0

1.0

1.0

Bulk Density g/cm3

3.75

3.85

3.95

Ture Density g/cm3

3.80

3.90

4.10

Cold Crushing Strength MPa

350

350

350

Refractoriness℃

1710

1710

1730

0.2MPa Softening Temp. Under   Load  ℃

>1700

>1700

>1700

Bubbling Tendency ％

0.5

0.5

0.5

Exudation Temp. of Glass Melt    ℃

>1400

>1420

>1430

Corrosion Resistance of Glass   Melt（mm/24h）

1.30

1.20

1.00

Thermal Expansion％ 1000℃

0.8

0.8

0.8

Crystalline Phase Composition ％

Baddeleyite Crystalline phase

10

11

12

Eutectic zircon corundum Phase

70

70

70

Glass Phase

20

19

18