This product has steady crystal form,could boost the refractoriness and improve the mechanical properties of products,and is applicable to producing unshaped refractory (various high alumina castable),shaped refractory (corundum brick and others),the materials for building furnace,etc,which meets customers¡¯requirements on high temperature,excellent thermal shock resistance and processing characteristics and prolongs the service life of the refractory.
Technical Index of Refractory Series
No.
|
Al2O3
|
SiO2
|
Fe2O3
|
Na2O
|
Loss
On
Lgnition %
|
Real specific
gravity
|
a
-Conversion %
|
Average
particle
size um
|
Primary
crystal size(um)
|
Specific Surface Area
|
Type 1
|
99.50
|
0.02
|
0.02
|
0.2
|
0.1
|
3.95
|
95
|
80
|
3-5
|
0.5-0.8
|
Type 2
|
99.40
|
0.02
|
0.02
|
0.3
|
0.1
|
3.93
|
93
|
23
|
2-4
|
0.8-1.2
|
