95% Alumina

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Description

95 Alumina exhibits better properties than 92 Alumina and a more competitive price, making it the most popular ceramic material in China. It widely used in complex shape design like heat sink, disc, insulator and igniter.

This material data has been provided by Innovacera.

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

PropertyTemperatureValue

Density

23.0 °C

3.7 g/cm³

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Mechanical

PropertyTemperatureValue

Compressive strength

23.0 °C

2068 MPa

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Elastic modulus

23.0 °C

280 - 320 GPa

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Flexural strength

23.0 °C

323.7 MPa

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Hardness, Vickers

23.0 °C

1377 [-]

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Plane-Strain Fracture Toughnes

23.0 °C

4 - 5 MPa·√m

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Poisson's ratio

23.0 °C

0.22 - 0.23 [-]

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Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

23.0 °C

8.2E-6 1/K

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Specific heat capacity

23.0 °C

780 J/(kg·K)

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Thermal conductivity

23.0 °C

23 W/(m·K)

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Thermal shock parameter R2

200 W/m

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Electrical

PropertyTemperatureValue

Dielectric constant

23.0 °C

9 [-]

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Dielectric strength

23.0 °C

15 kV/mm

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Electrical resistivity

23.0 °C

1.00E+16 Ω·m

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Loss tangent

23.0 °C

4E-4 [-]

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Technological properties

Property
Application areas

Wear ceramic parts: Ceramic Nozzles, Sprayers Cyclones, Homogenising devices, Ceramic Linings, Milling Systems, Ceramic Thread guides - Precision components: Ceramic Measuring Components, Ceramic Control systems, (Micro) dosing valves, Electronic Components, Mechatronics, Optical applications - Machine-construction: Positioning Guide parts, Coatings, Transport ceramic rollers, Ceramic Dies, Textile machine parts, Furnace parts - Rotating equipment: Ceramic Sliding Bearings, Ceramic Ball bearings, Mechanical seals, Ceramic Plungers, Ceramic Valves / fittings, Dosing components - Cutting & moulding: Ceramic knives, Metal-forming tools, Seaming rolls, Ceramic Punches, Drawing dies

Processing methods

Ceramic Injection Molding, Low Pressure Injection Molding, Cold Isostatic Press, Dry Press, Precision Machining Processing