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pure corundum brick
pure corundum brick

Minimum Order: 0
Quality/Safety Certification: 0.00


corundum brick has the charactistic as following:
1.Low impurities
2.strong thermal shock resistance
3.good creeping result

Item

ZR-65

AZ-1

Refractoriess(SK)

>37

>40

Porosity(%)

19

18

Bulk density(g/cm3)

3.5

3.15

CCS(kgf/cm2)

800

1000

Refractoriness under load(°C)

>1600

>1700

Linear change on reburning(%)1500°C 2hrs

+/-0.2

+/-0.2

ThThermal expansivity(%)1000°C

<0.3

<0.3

Al2O3

-

98

Fe2O3

-

0.2

ZrO2

60

 

SiO2

36

-

 

 

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