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By certification 
If you are looking for customized and cheap high strength wear-resistant refractory castable made in China from a high strength wear-resistant refractory castable factory, Zibo Qunhui Refractory Co.,Ltd is always at your service.
castable
Suitable for circulating fluidized bed boiler and other type boiler liner wear-resistant parts.
indicators |
HF-160 |
HF-135 |
HF-130 |
|
AL2O3 (%) ≥ |
75 |
65 |
60 |
|
SiO2(%) ≤ |
15 |
20 |
25 |
|
Bulk density (g/cm3) |
110°C×24h ≥ |
2.75 |
2.60 |
2.40 |
1000°C×3h ≥ |
2.75 |
2.60 |
2.40 |
|
After burning, compressive strength, (MPa) |
110°C×24h ≥ |
80 |
70 |
60 |
1000°C×3h ≥ |
120 |
100 |
80 |
|
Flexural strength, after burn, (MPa) |
110°C×24h ≥ |
9 |
8 |
7 |
1000°C×3h ≥ |
14 |
12 |
11.7 |
|
After burning linear change (%) |
1000°C×3h ≤ |
-0.3 |
-0.3 |
-0.3 |
|
Wear resistance (cm3)≤ |
6 |
8 |
10 |
|
Coefficient of thermal conductivity (w/m * k) |
1.5 |
1.5 |
1.5 |
|
Thermal shock resistance of 1000°C， water-cooled (time) ≥ |
25 |
25 |
25 |
|
