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Anderman Ceramics EA998 Sintered Alumina, 99.8%

Category	Ceramic , Oxide , Aluminum Oxide
Manufacturer	Anderman Ceramics
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Anderman Ceramics EA998 Sintered Alumina, 99.8%.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

High purity fully dense alumina (99.8%) with high temperature capability of 1750°C. Available in rod, tube, plate, crucibles, sheaths and insulators up to 10 ft (3 m) long with diameters 0.3" to 16".Information provided by Anderman Ceramics.

Physical Properties	Metric	English	Comments
Density	3.92 g/cc	0.142 lb/in³
Open Porosity	0.00 %	0.00 %	Gas Tight

Mechanical Properties	Metric	English
Hardness, Mohs	9.0	9.0
Tensile Strength	172 MPa	25000 psi
Flexural Strength	320 MPa	46400 psi

Thermal Properties	Metric	English
CTE, linear	8.60 µm/m-°C	4.78 µin/in-°F
	8.00 µm/m-°C @Temperature 20.0 - 1000 °C	4.44 µin/in-°F @Temperature 68.0 - 1830 °F
Thermal Conductivity	27.0 W/m-K @Temperature 20.0 - 100 °C	187 BTU-in/hr-ft²-°F @Temperature 68.0 - 212 °F
Maximum Service Temperature, Air	1750 °C	3180 °F

Component Elements Properties	Metric	English
Al2O3	99.8 %	99.8 %
B2O3	<= 0.020 %	<= 0.020 %
CaO	0.030 %	0.030 %
Fe2O3	0.020 %	0.020 %
MgO	0.030 %	0.030 %
Na2O	0.15 %	0.15 %
SiO2	0.050 %	0.050 %
TiO2	<= 0.010 %	<= 0.010 %

Electrical Properties	Metric	English
Electrical Resistivity	1.00e+14 ohm-cm	1.00e+14 ohm-cm
	1.00e+8 ohm-cm @Temperature 600 °C	1.00e+8 ohm-cm @Temperature 1110 °F
Dielectric Constant	9.8 @Frequency 1.00e+6 Hz	9.8 @Frequency 1.00e+6 Hz

Descriptive Properties	Value	Comments
Thermal Shock Resistance	Good

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