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Supalox H5011G Alumina Powder

Grade: Supalox H5011G
Formula: Al₂O₃
Form: Powder
Material: Alumina
CAS Number: 1344-28-1
Commodity: Ceramics
Purity: 99.999%
Particle Size D10: 1µm
Particle Size D50: 3µm
Particle Size D90: 6µm
Phase: Gamma
Color: White
Goodfellow's Supalox H5011G Alumina Powder is a specialized grade of high-purity aluminum oxide (Al₂O₃) designed for advanced ceramic applications requiring exceptional hardness, wear resistance, and improved processability. This granulated powder offers enhanced flowability and compaction characteristics, making it ideal for complex shape forming processes while maintaining the superior properties typical of the H5011 grade. Its carefully controlled particle size distribution ensures uniform shrinkage during sintering, resulting in excellent dimensional stability and mechanical properties of the final ceramic components. Supalox H5011G finds extensive use in industries such as electronics, aerospace, and advanced manufacturing. It is particularly valuable in the production of high-performance ceramic components like precision optical substrates, high-temperature electrical insulators, and wear-resistant components for aerospace applications. In cutting-edge applications, this powder is utilized in the development of advanced ceramic sensors for harsh environments and in the production of high-strength structural ceramics for next-generation aircraft engines. In research settings, Supalox H5011G plays a crucial role in studying novel ceramic processing techniques and in developing new materials with enhanced thermo-mechanical properties. Its reliability and versatility make it an essential material for both industrial ceramic production and scientific investigations, especially in fields pushing the boundaries of ceramic material performance under extreme thermal, mechanical, and chemical conditions.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Powder
Mean Particle Size Nominal
Minimum Particle Size Nominal
Maximum Particle Size Nominal
Maximum Particle Size Nominal
Particle Size D10 Nominal
Particle Size D50 Nominal
Particle Size D90 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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