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High
Alumina bricks for general uses are made from bauxite of super quality, bonding
chamotte and additives.
Main Properties
|
Item |
Index
|
||||
|
Code |
DL-48 |
DL-55 |
DL-65 |
DL-70 |
DL75 |
|
Al2O3 min, % |
48 |
55 |
65 |
70 |
75 |
|
Refractoriness , min |
1790 |
1793 |
1760 |
1770 |
1780 |
|
Refractoriness under load (0.2MPa) , min |
1360 |
1380 |
1420 |
1430 |
1440 |
|
Linear change after reheating (1550, 2h) % |
0 ~ -0.6
|
0 ~ -0.55 |
0 ~ -0.3
|
0 ~ -0.3 |
0 ~ -0.3 |
|
Apparent porosity max, % |
21 |
19 |
19 |
19 |
18 |
|
Cold crushing strength Mpa, min |
40 |
45 |
50 |
55 |
60 |
