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Skamol Group SKAMOBAR 69 Low-Alumina Fireclay Brick

Category Ceramic , Oxide , Silicon Oxide
Manufacturer Skamol Group
Trade Name SKAMOBAR
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Skamol Group SKAMOBAR 69 Low-Alumina Fireclay Brick.pdf
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Material Notes:
Low-alumina fireclay brick has the following characteristics: Max. service temperature 1100°C (2012°F)For barrier lining of aluminum reduction cellsExcellent cryolite resistanceLow thermal conductivityLow gas permeabilityLow porositySuperior resistance to molten aluminumInformation provided by Skamol.
Physical Properties Metric English Comments
Bulk Density 2.15 g/cc
0.0775 lb/in³
EN 993-1 1995
Porosity 16 %
16 %
Apparent; EN 993-1 1995
Mechanical Properties Metric English Comments
Compressive Strength 50.0 MPa
7250 psi
EN 993-5 1998
Thermal Properties Metric English Comments
Thermal Conductivity 1.10 W/m-K

@Temperature 200 °C
 7.63 BTU-in/hr-ft²-°F

@Temperature 392 °F
 Mean temp.; EN 993-15 1998
1.20 W/m-K

@Temperature 600 °C
 8.33 BTU-in/hr-ft²-°F

@Temperature 1110 °F
 EN 993-15 1998
1.30 W/m-K

@Temperature 900 °C
 9.02 BTU-in/hr-ft²-°F

@Temperature 1650 °F
 EN 993-15 199
Maximum Service Temperature, Air 1100 °C
2010 °F
Shrinkage -0.500 %

@Temperature 20.0 - 850 °C
 -0.500 %

@Temperature 68.0 - 1560 °F
 ASTM C-372 2001
Component Elements Properties Metric English Comments
Al2O3 28 %
28 %
CaO 1.0 %
1.0 %
Fe2O3 1.5 %
1.5 %
K2O 2.0 %
2.0 %
MgO 0.50 %
0.50 %
Na2O 1.0 %
1.0 %
SiO2 68 %
68 %
TiO2 1.0 %
1.0 %
Descriptive Properties Value Comments
Color Yellow
Cryolite Resistance (SINTEF) Dissolved 3.5 cm2
Dimensional Tolerances: Dimensions ± 2.0mm (± 0.08")
Dimensional Tolerances: Dimensions >200mm % ± 0.75%
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