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Zircar Ceramics AL-30AAH 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-30AAH Alumina Insulation.pdf
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Material Notes:
AL-30AAH was developed for use in copper vapor lasers where the ultimate in low mass alumina purity is required.Information provided by Zircar Ceramics.
Physical Properties Metric English Comments
Density 0.510 g/cc
0.0184 lb/in³
Open Porosity 84 %
84 %
Thermal Properties Metric English Comments
CTE, linear 7.50 µm/m-°C

@Temperature 20.0 - 1000 °C
 4.17 µin/in-°F

@Temperature 68.0 - 1830 °F
Specific Heat Capacity 1.05 J/g-°C
0.250 BTU/lb-°F
Thermal Conductivity 0.0900 W/m-K

@Temperature 250 °C
 0.625 BTU-in/hr-ft²-°F

@Temperature 482 °F
 parallel to thickness; ASTM C177-76
0.120 W/m-K

@Temperature 525 °C
 0.833 BTU-in/hr-ft²-°F

@Temperature 977 °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
 parallel to thickness; ASTM C177-76
0.190 W/m-K

@Temperature 1075 °C
 1.32 BTU-in/hr-ft²-°F

@Temperature 1967 °F
 parallel to thickness; ASTM C177-76
0.230 W/m-K

@Temperature 1350 °C
 1.60 BTU-in/hr-ft²-°F

@Temperature 2460 °F
 parallel to thickness; ASTM C177-76
0.270 W/m-K

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

@Temperature 3000 °F
 parallel to thickness; ASTM C177-76
Melting Point 1870 °C
3400 °F
Maximum Service Temperature, Air 1700 °C
3090 °F
Shrinkage 0.200 %

@Temperature 1650 °C,
Time 3600 sec
 0.200 %

@Temperature 3000 °F,
Time 1.00 hour
 Length
0.600 %

@Temperature 1650 °C,
Time 3600 sec
 0.600 %

@Temperature 3000 °F,
Time 1.00 hour
 Width
1.00 %

@Temperature 1650 °C,
Time 3600 sec
 1.00 %

@Temperature 3000 °F,
Time 1.00 hour
 Volume
Component Elements Properties Metric English Comments
Al2O3 98.4 %
98.4 %
CaO 0.020 %
0.020 %
Na2O 0.030 %
0.030 %
Other 0.040 %
0.040 %
Other Metal Oxides
SiO2 1.6 %
1.6 %
Descriptive Properties Value Comments
Bond Alumina
Color White
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