Morgan Advanced Ceramics Hilox ™ 880 Mac-A860S Aluminum Oxide Ceramic

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Morgan Advanced Ceramics Hilox ™ 880 Mac-A860S Aluminum Oxide Ceramic
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	An alumina ceramic of 86% Al2O3 content, that combines mechanical strength with excellent electrical properties. Prime Features: Excellent electrical insulator at high temperatures Good dimensional stability High mechanical strength Good abrasion resistance Non-porous and vacuum tight Corrosion resistant Typical Applications: Components in domestic appliances, especially where parts handling and assembly operations are automated Thermostat assembles for electric irons, kettles and fires Immersion heaters End bushes for sheathed heating elements Thermocouples Cartridge heaters Production Capabilities: Complex components custom-manufactured to close tolerances Prototype, batch and volume production Comprehensive range of bushes, rings, rods and tubes for high temperature electrical insulators. Information provided by Morgan Advanced Materials
Key Words:	Mac-A860S
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Physical Properties	Original Value	Comments

Density	3.54 g/cc	fired
Open Porosity	0.00 %	fully dense, % nominal, apparent

Mechanical Properties	Original Value	Comments
Hardness, Rockwell HR45N	77.1
Modulus of Elasticity	250 GPa @Temperature 20.0 °C
Flexural Strength	353 MPa @Temperature 20.0 °C	3-point
Compressive Strength	1800 MPa

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+6 ohm-cm @Temperature 600 °C
	>= 1.00e+8 ohm-cm @Temperature 300 °C
	>= 1.00e+14 ohm-cm @Temperature 20.0 °C
Dielectric Constant	8.5 @Frequency 1e+6 Hz
Dielectric Strength	28.0 kV/mm
Dissipation Factor	0.0020 @Frequency 1e+6 Hz

Thermal Properties	Original Value	Comments
CTE, linear	8.20 µm/m-°C @Temperature 20.0 - 1000 °C
Specific Heat Capacity	0.920 J/g-°C
Thermal Conductivity	15.0 W/m-K @Temperature 20.0 °C
Maximum Service Temperature, Air	1200 °C	no load

Component Elements Properties	Original Value	Comments
Al2O3	86 %

Descriptive Properties
Color	white
Thermal Downshock	180 sC

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