99.5% Alumina

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Description

Alumina content over 98% was developed for abrasive resistance and mechanical strength in chemically aggressive environments. This material features as below


  • Excellent resistance to corrosion and chemical attack
  • High wearing and abrasion resistant
  • Dense, non-porous and vacuum tight
  • 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

    3.9 g/cm³

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    Mechanical

    PropertyTemperatureValue

    Compressive strength

    23.0 °C

    2500 MPa

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    Elastic modulus

    23.0 °C

    280 - 320 GPa

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    Flexural strength

    23.0 °C

    300 MPa

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    Hardness, Vickers

    23.0 °C

    1428 [-]

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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

    800 J/(kg·K)

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    Thermal conductivity

    23.0 °C

    27.5 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

    9.6 [-]

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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

    2E-4 [-]

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    Technological properties

    Property
    Application areas

    Wear ceramic parts: Ceramic Nozzles, Ceramic, 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