Calcined Alumina
High-purity calcined alumina powder for ceramics, polishing, electronics, and thermal applications.
Specifications
- Al2O3
- ≥99.0%
- Na2O
- ≤0.4%
- Median Particle Size
- 1-80μm
Features
- •High alpha-phase purity
- •Controllable particle size
- •Excellent sintering behavior
- •High thermal conductivity
Applications
Industries
Calcined alumina is produced by heating aluminum hydroxide or related feedstock to remove chemically bound water and convert the material into a stable alumina phase. The resulting powder is widely used in ceramics, polishing systems, thermal components, and electronics-related manufacturing.
Its value comes from high chemical purity, adjustable particle size, and strong sintering behavior. These characteristics make calcined alumina suitable for technical ceramics, spark plugs, polishing compounds, and substrates where reliable thermal and electrical performance is important.
Procurement teams often compare phase purity, sodium content, and particle size consistency when sourcing calcined alumina. Good control over these factors supports more stable sintering, cleaner finishing results, and better product consistency downstream.
