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Zircar Ceramics ALCAA Alumina Insulation

Category Ceramic , Oxide , Aluminum Oxide
Manufacturer Zircar Ceramics
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Zircar Ceramics ALCAA Alumina Insulation.pdf
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Material Notes:
ALC is the same material as ZAL-15 - but brings exceptional uniformity in an insulation material in cylindrical form.Information provided by Zircar Ceramics.
Physical Properties Metric English Comments
Density 0.240 g/cc
0.00867 lb/in³
Open Porosity 93 %
93 %
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 0.0700 W/m-K

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

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

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

@Temperature 3000 °F
 Parallel to Thickness; ASTM C177-76
Melting Point 1870 °C
3400 °F
Maximum Service Temperature, Air 1500 °C
2730 °F
Continuous
1550 °C
2820 °F
Intermittent
Shrinkage 2.00 %

@Temperature 1550 °C,
Time 3600 sec
 2.00 %

@Temperature 2820 °F,
Time 1.00 hour
 Perpendicular to Thickness
6.00 %

@Temperature 1650 °C,
Time 3600 sec
 6.00 %

@Temperature 3000 °F,
Time 1.00 hour
 Perpendicular to Thickness
Component Elements Properties Metric English Comments
Al2O3 97 %
97 %
SiO2 3.0 %
3.0 %
Descriptive Properties Value Comments
Bond Alumina
Color White
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