alumina corundum refractory products

Ingredient

Dense fused corundum, Synthetic mullite,Chrome,etc

Fire resistant

≥1790℃

Advantages

1.high density& temperature resistibility

2. low bulk density, high compressive strength,

3. resistance to high temperature(≥1790℃)

4.good thermal shocking resistance

5.Excellent corrosion resistant to acids and alkalis 

6.They are not influenced by H2, CO gases during use

Size and specifications

230x114x65mm

The size, density, chemical composition can be customized.

Al2O3％≥

98.5

95

90

80

85

Cr2O3％≥

/

/

/

/

8

SiO2％≤

0.3

3.0

9.0

18

0.2

Fe2O3％≤

0.2

0.2

0.5

0.5

0.2

R2O％≤

0.3

0.6

0.6

0.4

0.5

Bulk Density

(g/cm3 ≥)

3.0

2.9

2.9

2.7

3.1

Compressive

strength

at normal temperature

(MPa≥)

75

100

100

60

80

Fire resistant

(°C≥)

1790

1790

1790

1790

1790

Soften point at 0.2 MPa load

KD °C

1700

1650

1650

1700

1700

Liner Change(%)1600°C x3h

0.2

0.2

0.2

0.3

0.2

Thermal shock stability

1100 °C water

6

10

10

20

15