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Form: Foam
Formula: Al₂O₃
Material: Aluminum Oxide
CAS Number: 1344-28-1
Commodity: Ceramics
Alumina Foam exhibits a unique open-cell structure with high porosity, exceptional thermal stability, and excellent corrosion resistance, making it indispensable in advanced thermal management and filtration systems. The material’s low density combined with high compressive strength ensures durability under extreme temperature gradients and corrosive atmospheres. It is widely applied in aerospace, energy, environmental engineering, and metallurgical processing. Specific uses include catalyst supports in chemical reactors, molten metal filtration to remove inclusions, and thermal insulation in high-temperature furnaces and solar energy receivers. Its open-pore network enhances fluid flow and heat transfer, enabling its role in cutting-edge applications where efficiency and precision are critical. In research and innovation, alumina foam supports development of next-generation energy systems, environmental remediation technologies, and high-efficiency industrial processes. Its combination of lightweight strength, stability, and functional versatility ensures its continuing value in demanding scientific and industrial contexts.
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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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    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

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  6. 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

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