Detailed Product Description
Corundum refractory castable
Corundum low cement castable
Corundum self flowing castable.
Al2O3:90,93,95%
ISO 9001:2000
ZIBO HITECH MATERIAL CO.,LTD is a specialized manufacturer and supplier of refractory.
We can product refractory brick,castable and ceramis fiber products.For refractory castable,we can supply high alumina,mullite ,corundum series low cement castable and self flowing castable.
For the corundum low cement castabkle ,the tech data is :
|
Product
Index
|
Al2O3 90%
|
Al2O3 93%
|
Al2O3 95%
|
|
|
Chemical composition
|
Al2O3 % ≥
|
90
|
93
|
95
|
|
SiO2 % ≤
|
3
|
1
|
1
|
|
|
CaO % ≤
|
2.0
|
1.8
|
1.7
|
|
|
Bulk density g/cm3 ≥
|
3.0
|
3.0
|
3.2
|
|
|
Cold crushing strength Mpa
≥
|
110°C×24h
|
50
|
80
|
80
|
|
1100°C×3h
|
65
|
80
|
80
|
|
|
1500°C×3h
|
70
|
80
|
80
|
|
|
Modulus of rupture Mpa
≥
|
110°C×24h
|
6
|
7
|
7
|
|
1100°C×3h
|
8
|
8
|
10
|
|
|
1500°C×3h
|
8
|
8
|
10
|
|
|
Reheating linear change %
|
1100°C×3h
|
±0.2
|
±0.2
|
±0.2
|
|
1500°C×3h
|
±0.3
|
±0.5
|
±0.5
|
|
|
Construction water %
|
5.5~6.5
|
5.5~6.5
|
5.5~6.5
|
|
|
Max working temperature °C
|
1700
|
1750
|
1750
|
|