|
Item |
Corundum-mullite refractory |
plastic Silicon carbide refractory plastic |
|||
|
AL2O3 % |
65 |
75 |
75 |
/ |
/ |
|
SiC % |
/ |
/ |
/
|
60 |
60 |
|
Bulk density g/cm3(110℃,24h) |
2.50 |
2.70 |
2.80 |
2.40 |
2.60 |
|
Crushing strength (850℃,3h) |
70 |
80 |
90 |
60 |
60 |
|
Reheating linear change rate(850℃,3h) |
-0.4~0 |
-0.5~0 |
-0.5~0 |
-0.5~0 |
-0.6~0 |
|
Thermal shock resistance |
30 |
30 |
25 |
35 |
40 |
|
Plasticity index % |
15~40
|
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