Titanium Dioxide (Rutile) for Opaque Printing Inks
CAS Number: 13463-67-7
Surface-treated rutile titanium dioxide with optimized scattering efficiency and dispersibility for white offset, gravure, flexo, and screen printing inks requiring maximum opacity and whiteness. Ink-grade TiO2 features surface treatments (Al₂O₃, SiO₂, organic) that reduce photocatalytic degradation of surrounding binders and improve wetting in both oil-based and waterborne ink systems.
Technical Specifications
| appearance | White fine powder |
| TiO₂ content (%) | ≥93 |
| oil absorption (g/100 g) | 18–28 |
| particle size (d50, µm) | 0.2–0.3 |
| lightscattering coefficient | High (rutile crystal) |
Applications
- White offset litho ink for carton and label printing
- White gravure ink for flexible packaging
- White flexo ink for corrugated and paper packaging
- UV white offset and screen-printing inks
- White base in waterborne printing inks
Key Features
- Maximum opacity and whiteness for white and pastel inks
- Surface-treated grades for improved binder durability under UV
- Easy wetting and dispersion in oil and water-based ink vehicles
- Consistent particle size for predictable ink rheology and opacity
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CAS Number
13463-67-7
Category
Printing Ink ChemicalsAvailability
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