Refractory Bricks
Fused cast AZS brick 33# for glass furnace

Fused cast AZS brick 33# for glass furnace

The compact microstructure of Fused cast AZS brick 33#,makes it to have very good melting glass resisting, Which seldom produces stone or other faults, and has little possibility to produce bubbles. So, Fused cast AZS brick 33# is the most widely used product in glass furnace.

 

Code

Name

Characteristic and Use

 

 

PT

Normal Cavity

It is the accustomed cast method and cavities are located under the mouth of casting. It is used for top of thawy pool, etc. corrasive non- severity part.

 

 

QX

Oriented Cavity

Using tilt cast method, and the cavities of goods are located under the goods part. Being used for sidewall.

 

 

WS

Cavity Free

It is resect cavities part of molten brick and the main using is hole of stream liquid kiln and sidewalls corner, etc corrasive severity part.

 

 

ZWS

Reduced Cavity

It is similarly void free cast and basically resect cavities part. Being used for sidewalls brick.

 

Chemical Composition( % )

AZS #33

ZrO2

32.5

SiO2

15.5

Al2O3

Remains

Na2O

≤ 1.4

Fe2O3 + TiO2

0.25

Volume density  (hardest part)

3.80

Cold crushing strength (MPa)

300

Exudation Temp. of glass phase

1400

Refractoriness under load of beginning  (0.2MPa)

1700

Corrosion Resistance to glass melt      1300x10h(mm/24h)

1.5

Bulk

density ( g/cm3 )

PT

3.42

QX

3.45

ZWS

3.65

WS

3.70

Baddeleyite monocrystal

32

Glass phase

20

Corundum

47


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