ZHENGZHOU CAIHUA KILN MASONRY INSTALLATION CO.,LTD
Global Refractories and Solutions Supplier
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Zirconium corundum refractory castable is used for cold patching and heat patching for the safety layer, the kiln wall protective layer and the upper structure of the glass kiln bottom.
|
Al2O3% |
45 |
45 |
45 |
|
|
ZrO2% |
29 |
30 |
30 |
|
|
SiO2% |
20 |
18 |
18 |
|
|
Bulk density g/cm3 |
3.0 |
2.65 |
2.8 |
|
|
Flexural strength MPa ≥ |
110℃×24h drying |
11.5 |
12.1 |
|
|
1100℃×2h after burning |
18 |
18 |
||
|
Compressive strength/MPa ≥ |
110℃×24hdrying |
85 |
85 |
|
|
1100℃×2h after burning |
100 |
100 |
||
|
Resistance to glass solution erosion |
good |
good |
good |
|
|
The tendency of bubbles to precipitate |
weak |
weak |
weak |
|
|
Casting water requirement /% |
4～5 |
8～10 |
10～11 |
|
| Application |
kiln bottom sealing layer |
for the next layer of 50V upper layer bricks |
filling gaps between surface bricks |
|