Chemical Composition (%)

AZS-33

AZS-36

AZS-41

ZrO 2

≥ 32

≥ 35

≥ 40

SiO 2

≤ 14.5

≤ 14

≤ 12.5

Al 2 O 3

Remains

Na 2 O

≤ 1.4

≤ 1.6

≤ 1.2

Fe2O 3

≤ 0.15

0.15 ≤

≤ 0.15

TiO 2

≤ 0.10

≤ 0.10

≤ 0.10

Physical Properties

True Proportion g/cm 3

3.84

3.95

4.10

Cold Crushing Strength (MPa)

350

350

350

Thermal Expansion Rate (%)

1000 ℃

0.80

0.80

0.80

1500 ℃

0.80

0.80

0.80

Exudation Temp .of Glass Phase ( ℃ )

1450

1450

1500

Corrosion Resistance To Glass Melt

(mm/24hr)

1.3

1.2

1.0

Bulk density

(g/cm 3 )

PT QX

3.50

3.52

3.70

WS ZWS

3.70

3.80

3.95

Crystalline Phase Composition (%)

Baddeleyite

32

35

40

Glass Phase

21

18

17

a - Corundum - a

47

47

43