Titanium Dioxide Ceramic Densification Aid
CAS Number: 13463-67-7
High-purity titanium dioxide (TiO2, anatase or rutile) is used as a sintering and densification aid in alumina, barium titanate, and electronic ceramics. In alumina, 0.05–0.3 wt% TiO2 promotes liquid-phase sintering and enhances grain boundary diffusion, lowering the densification temperature and improving ionic conductivity. In BaTiO3 systems it acts as a stoichiometry corrector.
Technical Specifications
| appearance | White fine powder |
| purity (%) | ≥99.5 |
| crystal form | Anatase or Rutile |
| TiO2 content (%) | ≥99.5 |
| D50 particle size (µm) | 0.2–0.5 |
Applications
- Densification aid for alumina structural and electronic ceramics
- Stoichiometry corrector in BaTiO3 dielectric ceramic formulations
- Additive for oxide fuel cell electrolytes
- Opacifier and nucleating agent in glass-ceramics
- White pigment and UV absorber in ceramic glazes
Key Features
- Promotes liquid-phase sintering to lower densification temperature
- Dual function as sintering aid and functional ceramic component
- Available in both anatase and rutile crystalline forms
- High purity ensures minimal contamination of electronic ceramics
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CAS Number
13463-67-7
Category
Ceramic / Glass AdditivesAvailability
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