PRODUCTS FROM INTERKILN INDUSTRIES

- Mullite, Zircon and Zircon Mullite Refractories

Typical Data for Zircon Containing Products

  IK MUL ZIRCON ZIRMUL

Apparent Porosity (%)

18

19

15

Bulk Density (g/ml)

2.55

3.7

3.25

Cold Crushing Strength(MN/m2)

80

65

75

Permanent Linear Change (%)
2h @ 1600 O C
2h @ 1700 O C 



+0.5
-0.1



-0.2



-0.2

Modules of Rupture (MN/m2)
0025 O C
1400 O C



20
7



15
2



17
11

Thermal Expansion (%)
20- 1200 O C


0.5


0.6


0.8

Thermal Conductivity (w/mK)
Mean Temperature 500 O C
Mean Temperature 900 O C
Mean Temperature 1300O C



14
1.7
2



2.6
2.3
2.5



2
1.9
2.1

Chemical Analysis (%)

Sio2
Ti02
Fe203
Al203
Ca0
Mg0
K20
Na20
Zro2



24
0.2
0.5
71.5
0.1
0.2
0.6
0.2
-



33
0.3
0.2
1.7
0.05
0.1
0.05
0.05
64



11.5
0.1
0.1
68
0.1
0.1
0.1
0.2
20