Aluminum Oxide 99.78% (KA997)

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Description

Nanoker produces ceramic components and tailor made products from KA997. The key benefits of Aluminum Oxide 99.78% (KA997) are: Low coefficient of friction, excellent wear resistance, high corrosion resistance, good thermal conductivity, good dielectric properties.

This material data has been provided by Nanoker.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValueComment

Density

23.0 °C

3.9 g/cm³

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Porosity

0 %

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open porositiy

Mechanical

PropertyTemperatureValue

Elastic modulus

23.0 °C

370 GPa

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Flexural strength

23.0 °C

400 MPa

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Plane-Strain Fracture Toughnes

23.0 °C

3.5 MPa·√m

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

1000.0 °C

8.6E-6 1/K

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Max service temperature

1550 °C

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no load

Thermal conductivity

23.0 °C

28 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

23.0 °C

1.00E+11 Ω·m

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Chemical properties

PropertyValueComment

Aluminium

99.78 %

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as Al₂O₃

Calcium

0.05 %

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as CaO

Iron

0.03 %

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as Fe₂O₃

Magnesium

0.1 %

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as MgO

Silicon

0.05 %

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as SiO₂

Technological properties

Property
Application areas

Typical application areas include: High temperature labware, furnace construction, abrasives industry, mechanical engineering, pump & compressor industry, chemical & pharmaceutical industry