Zircar Ceramics Alumina Furnaceware

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Zircar Ceramics Alumina Furnaceware
Categories:	Ceramic; Oxide; Aluminum Oxide
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.
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Physical Properties	Original Value	Comments

Bulk Density	3.91 g/cc
Open Porosity	0.00 %

Mechanical Properties	Original Value	Comments
Flexural Strength	380 MPa
	165 MPa @Temperature 1000 °C
Compressive Strength	3650 MPa @Temperature 20.0 °C

Thermal Properties	Original Value	Comments
CTE, linear	8.40 µm/m-°C @Temperature 20.0 - 1000 °C
Thermal Conductivity	8.20 W/m-K @Temperature 800 °C
	36.0 W/m-K @Temperature 20.0 °C
Maximum Service Temperature, Air	1800 °C

Component Elements Properties	Original Value	Comments
Al2O3	99.82 %
B2O3	0.0010 %
CaO	0.040 %
Cr2O3	0.0030 %
Fe2O3	0.025 %
K2O	0.0010 %
MgO	0.035 %
Na2O	0.0080 %
SiO2	0.060 %
TiO2	0.0040 %

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CZIR000 / 2808

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