CHEMICAL & PHYSICAL CHARACTERISTICS
ITEMS |
UNIT | HK80 | HK90 |
|
MAX. SERVICE TEMPERATURE |
℃ |
1350 |
1450 |
|
REFRACTORY DEGREE |
℃ |
1750 ~ 1800 |
1850 ~ 1880 |
|
DENSITY |
g/cm3 |
2.7 ~ 2.8 |
＞ 2.9 |
|
RATE OF WATER ABSORPTION |
% |
5.0 ~ 7.0 |
3.0 ~ 6.0 |
|
ANTI-BENDING STRENGTH |
(20℃) |
MPa |
50 ~ 55 |
70 ~ 80 |
(1250℃) |
MPa |
≥ 50 |
≥ 60 |
|
THERMAL SHOCK RESISTANCE |
/ |
Exellent |
Exellent |
|
RAW MATERIAL COMPOSITION (Al2O3 + ZrO2) |
% |
78 ~ 81 |
80 ~ 85 |
|
STANDARD DIMENSIONS
DIAMETERS (mm) | LENGTH (mm) | DIAMETERS (mm) | LENGTH (mm) |
65~80 |
3000 ~ 5600 |
40 |
2000 ~ 3500 |
60 |
2700 ~ 5000 |
36 |
2000 ~ 3300 |
55 |
2700 ~ 5000 |
35 |
2000 ~ 3200 |
52 |
2400 ~ 5000 |
33.7 |
1800 ~ 3100 |
50 |
2400 ~ 4600 |
32 |
1800 ~ 3100 |
45 |
2200 ~ 3800 |
20-31 |
1600 ~ 3100 |
42 |
2200 ~ 3800 |
12-19 |
1200 ~ 2800 |
NOTE:
The technical data shown are indicative and they have been drown, where possible, from official standard internal tests. They serve to give general information, they are liable to natural deviations, depending on production and shape and the are not to be guaranteed properties or guaranteed values and can be changed without notice.
The other dimensions which not shown in the above table could be customized upon request.
