Kyanite brick
Kyanite brick
Item |
Sillimanite brick |
Andalusite brick |
Kyanite brick |
|||
JX-GXS-65 |
JX-GXS-75 |
JX-HZS-65 |
JX-HZS-75 |
JX-LJS-65 |
JX-LJS-75 |
|
Al2O3 (%) ≥ |
65 |
75 |
65 |
75 |
65 |
75 |
Fe2O3 (%) ≤ |
1.0 |
0.8 |
1.0 |
0.8 |
1.0 |
0.8 |
R2O (%) ≤ |
0.6 |
0.5 |
0.7 |
0.5 |
0.8 |
0.6 |
BD (g/cm3) ≥ |
2.65 |
2.70 |
2.60 |
2.70 |
2.60 |
2.65 |
AP (%) ≤ |
17 |
18 |
19 |
18 |
17 |
18 |
CCS (MPa) ≥ |
65 |
90 |
80 |
90 |
60 |
80 |
Refractoriness under load（℃）≥ |
1550 |
1600 |
1600 |
1650 |
1500 |
1560 |
Refractoriness（℃）＞ |
1790 |
1790 |
1790 |
1790 |
1790 |
1790 |
Creep rate 20~50h(%) ≤ |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
0.2 |
Thermal shock resistance |
25 |
30 |
25 |
35 |
20 |
25 |
Permanent linear change 3h (%) |
0~0.1 |
0~0.1 |
0~0.1 |
0~0.1 |
0~0.1 |
0~0.1 |
