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Zircar Ceramics AL-25/1700 Alumina Insulation

Category Ceramic , Oxide , Aluminum Oxide
Manufacturer Zircar Ceramics
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Zircar Ceramics AL-25/1700 Alumina Insulation.pdf
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Material Notes:
AL-25/1700 is a rigid medium duty grade of alumina fiber board. Not as strong as SALI but capable of delivering years of service.Information provided by Zircar Ceramics.
Physical Properties Metric English Comments
Density 0.440 g/cc
0.0159 lb/in³
Mechanical Properties Metric English Comments
Modulus of Rupture 0.00138 GPa
0.200 ksi
Parallel to Thickness
Compressive Yield Strength 0.241 MPa
35.0 psi
at 2% Consolidation, Parallel to Thickness
Thermal Properties Metric English Comments
Thermal Conductivity 0.110 W/m-K

@Temperature 400 °C
0.763 BTU-in/hr-ft²-°F

@Temperature 752 °F
parallel to thickness; ASTM C177-76
0.160 W/m-K

@Temperature 800 °C
1.11 BTU-in/hr-ft²-°F

@Temperature 1470 °F
0.220 W/m-K

@Temperature 1100 °C
1.53 BTU-in/hr-ft²-°F

@Temperature 2010 °F
0.270 W/m-K

@Temperature 1650 °C
1.87 BTU-in/hr-ft²-°F

@Temperature 3000 °F
Parallel to Thickness; ASTM C177-76
Maximum Service Temperature, Air 1700 °C
3090 °F
Continuous
Shrinkage 0.750 %

@Temperature 1700 °C,
Time 86400 sec
0.750 %

@Temperature 3090 °F,
Time 24.0 hour
Length & Width
3.00 %

@Temperature 1700 °C,
Time 86400 sec
3.00 %

@Temperature 3090 °F,
Time 24.0 hour
Thickness
Component Elements Properties Metric English Comments
Al2O3 80 %
80 %
SiO2 20 %
20 %
Electrical Properties Metric English Comments
Dielectric Loss Index 0.010

@Frequency 2.45e+9 Hz,
Temperature 1400 °C
0.010

@Frequency 2.45e+9 Hz,
Temperature 2550 °F
In Microwave
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