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Electric Zircon Corundum Brick
Electric Zircon Corundum Brick

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The refractory fused Electric Zircon Corundum Brick
1.good RUL
2.wear-resistance
3.dregs-resistance
4.alkali corrosion resis

                       

                        Material

Item                 Index

AZS-33(AZS-1681)

AZS-36(AZS-1691)

AZS-41(AZS-1711)

α-βAl2O3

β-Al2O3

Chemical composition ≤

Al2O3

≥50.00

≥49.00

≥45.00

≥94.00

≥93.00

ZrO2

≥32.50

≥35.50

≥40.50

 

 

SiO2

≤15.50

≤13.50

≤13.00

≤1.80

≤0.50

Na2O+K2O

≤1.30

≤1.35

≤1.30

≤3.70

≤6.00

Bulk density (g/cm3)

≥3.75

≥3.85

≥4.00

≥3.40

≥3.05

Apparent porosity(%)

≤1.2

≤1.0

≤1.2

<2.0

<10.0

Cola crush strength MPa

≥300

≥300

≥300

≥200

≥30

Seeping degree

≥1400

≥1400

≥1410

 

 

Bubble precipitation rate

≤2.0

≤2.0

≤2.0

0(1000°C*10h)

 

Anti-erosion rate of glass solution

≤1.5

≤1.4

≤1.2

<0.3(1350°C*48h)

 

Apparent density(g/cm3)

PT

≥3.40

≥3.50

≥3.65

≥3.00

≥2.80

ZWS

≥3.60

≥3.70

≥3.80

 

 

WS

≥3.65

≥3.75

≥3.85

≥3.30

≥2.90

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