High Alumina Bricks for EAF Roof

Properties:
 
 
 
High alumina bricks for EAF roof are made from super buxite, being pressed and sintered, main mineral phases are mullite phases, mechanical and chemical properties are very good. Especially the unfired products, the dimensions more exactly and thermal shock resistance are even better.
 
 
 
 
 
 
 
 
 
 
 
Specification:
 
                   Item
       DL-80
DL-75
BDL-80
BDL-75
Al2O3,  %
80
75
80
75
A.P.%
19(21)
19(21)
18(20)
18(20)
P.L.C.      1500¡æ X 2h
 0-0.3
0-0.3
¡À0.2
¡À0.2
CCS MPa
75
65
60
55
Load softening temperature ¡æ
1530
1520
1530
1520
Thermal Shock (1100¡æwater cooling)
Issue actual value
8
8