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Form: Foam
Formula: Al₂O₃
Material: Alumina
CAS Number: 1344-28-1
Commodity: Ceramics
Alumina Foam is part of our extensive range of advanced ceramic materials. A rigid foam it has a highly porous structure with low density and high surface area. Its key properties include high temperature resistance, low thermal conductivity and high compressive strength. Alumina Foam is used in applications such as thermal insulation for high temperature furnaces, catalytic converters and lightweight structural components. We offer Alumina Foam in a range of 6 options for a choice of pore and porosities to suit different applications.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Sizes
Linear dimension Nominal
Sizes
Thickness Nominal
All Other All other dimesions are Nominal

Material Properties for Ceramics

Chemical Resistance
Element Value
Acids - concentrated Good
Acids - dilute Good
Alkalis Good
Halogens Good
Metals Good
Electrical Properties
Element Value
Dielectric constant 9-10.1
Dielectric strength( kV mm⁻¹ ) Oct-35
Volume resistivity( Ohmcm ) >10¹⁴@25
Physical Properties
Element Value
Apparent porosity( % ) 0
Water absorption - saturation( % ) 0
Density( gcm⁻³ ) 3.9
Thermal Properties
Element Value
Melting point( C ) 2100
Upper continuous use temperature( C ) 1700
Specific heat( J K⁻¹ kg⁻¹ ) 850-900@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 26-35@20°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 8@20-1000°C
Mechanical Properties
Element Value
Tensile modulus( GPa ) 300-400
Hardness - Knoop( kgf mm⁻² ) 2100
Hardness - Vickers( kgf mm⁻² ) 1500-1650
Shear strength( MPa ) 330
Tensile strength( MPa ) 260-300
Pultrusions
Element Value
Compressive strength( MPa ) 2200-2600

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Other Customers Purchased
  1. Supalox N5003G Alumina Powder Grade: Supalox N5003G
    Formula: Al₂O₃
    Percentage Purity: 99.999%
    Particle Size D10: 0.3µmµm
    Particle Size D50: 0.45µmµm
    Particle Size D90: 0.6µmµm
    Weight: 10000g
    Phase: Gamma
    Colour: White
    CAS Number: 1344-28-1
    UOM Code: 166-247-28

    Starting at $159.13

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  2. Starting at $155.95

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  3. Starting at $158.80

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  4. Starting at $160.26

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  5. Supalox N5003 Alumina Powder Grade: Supalox N5003
    Formula: Al₂O₃
    Percentage Purity: 99.999%
    Particle Size D10: 0.3µmµm
    Particle Size D50: 0.45µmµm
    Particle Size D90: 0.6µmµm
    Weight: 10000g
    Phase: Alpha
    Colour: White
    CAS Number: 1344-28-1
    UOM Code: 175-103-97

    Starting at $160.10

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