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Zircar Ceramics Alumina Furnaceware

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
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Material Notes:
ZIRCAR Ceramics Alumina Furnaceware are high purity fully dense, fine grain aluminum oxide products suitable for use in applications with temperatures as high as 1800°C. Such uses include crucibles for crystal growth or glass melting, process tubes, and inert high temperature supports and fixturing. Available as crucibles, tubes, rods, and special geometries.Information provided by Zircar Ceramics.
Physical Properties Metric English Comments
Bulk Density 3.91 g/cc
0.141 lb/in³
Open Porosity 0.00 %
0.00 %
Mechanical Properties Metric English Comments
Flexural Strength 380 MPa
55100 psi
165 MPa

@Temperature 1000 °C
23900 psi

@Temperature 1830 °F
Compressive Strength 3650 MPa

@Temperature 20.0 °C
529000 psi

@Temperature 68.0 °F
Thermal Properties Metric English Comments
CTE, linear 8.40 µm/m-°C

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

@Temperature 68.0 - 1830 °F
Thermal Conductivity 8.20 W/m-K

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

@Temperature 1470 °F
36.0 W/m-K

@Temperature 20.0 °C
250 BTU-in/hr-ft²-°F

@Temperature 68.0 °F
Maximum Service Temperature, Air 1800 °C
3270 °F
Component Elements Properties Metric English Comments
Al2O3 99.82 %
99.82 %
B2O3 0.0010 %
0.0010 %
CaO 0.040 %
0.040 %
Cr2O3 0.0030 %
0.0030 %
Fe2O3 0.025 %
0.025 %
K2O 0.0010 %
0.0010 %
MgO 0.035 %
0.035 %
Na2O 0.0080 %
0.0080 %
SiO2 0.060 %
0.060 %
TiO2 0.0040 %
0.0040 %
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