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BNZ Materials BNZ-23 Insulating Firebrick

Category Ceramic , Oxide , Silicon Oxide
Manufacturer BNZ Materials, Inc.
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF BNZ Materials BNZ-23 Insulating Firebrick.pdf
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Material Notes:
BNZ produces many types of Insulating Fire Brick (IFB) for use in applications from 2,000°F (1,093°C) to 3,200°F (1,760°C). Each type is formulated to meet specific thermal and physical requirements and after firing is machined to precise tolerances. Made from high purity refractory clays and other ceramic raw materials, these IFB contain a carefully graded organic filler which is burned out during manufacture to give a uniform controlled pore structure.Information provided by BNZ Materials Inc.
Physical Properties Metric English Comments
Density 0.593 g/cc
0.0214 lb/in³
ASTM C134
Deformation 0.00 %

@Temperature 1093 °C,
Time 5400 sec
0.00 %

@Temperature 1999 °F,
Time 1.50 hour
10 psi load, Hot Load Strength; ASTM C16
Mechanical Properties Metric English Comments
Modulus of Rupture 0.000700 GPa
0.102 ksi
ASTM C133
Compressive Strength 0.900 MPa
131 psi
Cold Crush Strength; ASTM C133
Thermal Properties Metric English Comments
CTE, linear 5.60 µm/m-°C

@Temperature 20.0 - 1093 °C
3.11 µin/in-°F

@Temperature 68.0 - 1999 °F
Thermal Conductivity 0.140 W/m-K

@Temperature 260 °C
0.972 BTU-in/hr-ft²-°F

@Temperature 500 °F
ASTM C182
0.190 W/m-K

@Temperature 538 °C
1.32 BTU-in/hr-ft²-°F

@Temperature 1000 °F
ASTM C182
0.230 W/m-K

@Temperature 816 °C
1.60 BTU-in/hr-ft²-°F

@Temperature 1500 °F
ASTM C182
0.260 W/m-K

@Temperature 1093 °C
1.80 BTU-in/hr-ft²-°F

@Temperature 1999 °F
ASTM C182
Maximum Service Temperature, Air 1260 °C
2300 °F
Normal oxidizing atmosphere
Shrinkage 0.00 %

@Temperature 1232 °C,
Time 86400 sec
0.00 %

@Temperature 2250 °F,
Time 24.0 hour
Permanent Linear Change; ASTM C210
Component Elements Properties Metric English Comments
Al2O3 35 %
35 %
CaO 2.1 %
2.1 %
Fe2O3 0.90 %
0.90 %
MgO 0.00 %
0.00 %
Na2O 0.40 %
0.40 %
Includes K<sub>2</sub>O
SiO2 60.3 %
60.3 %
TiO2 1.3 %
1.3 %
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