Low Creeping Andalusite Bricks for Hot Blast Stove

Properties:
 
 
These Products were made from super andalusite ores, corundum and mullite, being high pressure pressed and sintered in high temperature. The mullite that formed at the temperature 1350¡æ connects the products surface like "welding", which makes the products in a position of steady, high RUL, excellent creeping result and thermal shock resistance. They are special refractory bricks for hot blast stove of Netherlands style.
 
 
 
 
 
 
 
 
 
Specification:
 
             Item
LHZ-65
LHZ-60
LHZ-55
LHZ-50
Al2O3,  %
65
60
55
50
A.P.%
20
20
20
20
B.D. g/cm3
2.60
2.50
2.50
2.40
CCS MPa
50
50
50
50
Creeping rate%
0.2
0.2
0.2
0.2
P.L.C.   1400¡æ X 4h%
0-0.3
0-0.3
¡À0.2
¡À0.2
RUL¡æ
      1650
     1600
 1600
 1580