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Supalox H5011 Alumina Powder

Grade: Supalox H5011
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: Alpha
Color: White
Goodfellow's Supalox H5011 Alumina Powder is a high-purity aluminum oxide (Al₂O₃) product engineered for advanced ceramic applications requiring exceptional hardness, wear resistance, and thermal stability. This fine powder is characterized by its superior sinterability and ability to achieve near-theoretical density when processed into ceramic components. Its tightly controlled particle size distribution ensures uniform microstructure development during sintering, resulting in outstanding mechanical and thermal properties of the final product. Supalox H5011 is widely used in industries such as semiconductor manufacturing, energy production, and advanced materials processing. It serves as a key raw material for producing high-performance ceramic components like plasma-resistant parts for semiconductor equipment, high-temperature insulators for furnaces, and wear-resistant components for oil and gas drilling equipment. In cutting-edge applications, this powder is utilized in the development of advanced ceramic matrix composites for aerospace applications and in the production of high-performance ceramic membranes for energy storage systems. In research settings, Supalox H5011 plays a crucial role in studying novel ceramic processing techniques and in developing new materials with enhanced thermo-mechanical properties. Its consistency and reliability make it an invaluable resource for both industrial ceramic production and scientific investigations, particularly in fields focused on improving the performance of ceramics under extreme thermal and mechanical 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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