Product |
Silicon carbon based crusting resistant refractory castables |
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Brand |
JC-50S |
JC-60S |
JC-GC13 |
JC-GC13H |
|
Maximum service temperature |
1300 |
1400 |
1300 |
1400 |
|
Bulk density (kg/m3) |
110?榴imes;24h≥ |
2300 |
2400 |
2400 |
2500 |
Chemical composition(%) |
SiC≥ |
48 |
58 |
(SiC+SiO2)Â Â Â Â Â Â 40~60 |
(SiC+SiO2)Â Â Â Â Â Â 55 |
Al2O3
|
20-30 |
?M |
?M |
?M |
|
SiO2
|
13-25 |
?M |
?M |
?M |
|
Cold modulus of ruptuer(MPa) |
110?榴imes;24h≥ |
10 |
12 |
8 |
11 |
1100?榴imes;3h≥ |
12 |
12 |
9 |
12 |
|
Cold crushing strength(MPa) |
110?榴imes;24h≥ |
80 |
100 |
70 |
80 |
1100?榴imes;3h≥ |
100 |
110 |
80 |
100 |
|
Linear change after heating (%) |
1100?榴imes;3h≤ |
±0.5 |
±0.3 |
±0.4 |
±0.4 |
Reference water addition for construction (%) |
6~7 |
5~6 |
6~7 |
5~6 |
|
Construction method |
Vibration |
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Service area |
Easy-crusting areas such as C4-C5 stage preheater,and lower cone of decomposing furnace and pipes,discharge slope,ascend flue,etc. |
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Properties |
1??Crusting can be reduced significantly and is easy to clear                          Â
2??Alkali resistant,abrasion resistant and blocking resistant
|