refractory sillimanite lipstone for glass furnaces
Sillimanite lipstone for glass furnaces -major features
typical physical &chemical properties:
|
Item
|
Sillimanite brick S-65
|
Sillimanite brick S-60
|
|
|
LS-65
|
LS-60
|
|
Al2O3 %
|
≥65
|
≥60
|
|
SiO2 %
|
≤32
|
≤37
|
|
Fe2O3 %
|
≤0.5
|
≤1
|
|
B.D. g/cm3
|
≥2.5
|
≥2.3
|
|
A.P. %
|
≤18
|
≤19
|
|
C.C.S. MPa
|
≥80
|
≥80
|
|
R.U.L. °C
|
≥1650
|
≥1600
|
|
(0.2MPa,0.6%)
|
sillimanite bricks are widely used in feeder channels, feeder covers, burners, melting bottom paving of glass furnaces and other applications