Titanium Dioxide R-251
R-251 is a multi-purpose rutile pigment designed for coatings, paints, plastics and other applications. It is designed to give optimum properties and characterized by the bluish undertone, excellent dispersion, outstanding hiding power and high gloss.
The excellent pigment performance and good performance in various application systems is benefited by the excellent particle size control technology, surface treatment technology and impurity content control technology.
Key Features
- Better whiteness
- Outstanding Dispersion
- Excellent brightness
- Super bluish undertone
- Good whiteness for color blending

- Technical specification
- Typical application performance
- TDS download
| Item | Property | |
| TiO2 Content, % | Min | 94.0 |
| Rutile Content,% | Min | 98.0 |
| Inorganic treatment | ZrO₂·nH₂O、Al₂O₃·nH₂O | |
| Organic treatment | Polyols | |
| Hiding power (Reynolds number) | Min | 1880 |
| Oil absorption, g/100g | Max | 18 |
| Moisture 105℃, % | Max | 0.5 |
| Sieve residue (45 mesh), % | Max | 0.02 |
| Resistivity, Ω·m | Max | 80 |
| Dispersion(Hegman) | Min | 6.25 |
| Specific gravity, g/cm3 | 4.1 | |
| PH | 6.0-9.0 | |
| Standard classification | ISO 591-1: R2 | |
| ASTM D476-00: Ⅱ | ||
| Color index | Pigment white 6 | |
| Packing | 25kg/bag, 500kg/bag, 1000kg/bag | |
| Application | Solvent based, can coating, plastic,paste,chip | |
| Storage
|
Store in cool, well-ventilated area. Keep away from ignition source, heat and flame. Store in a tightly closed container. | |
| Handling
|
Avoid dust formation during handling. Provide appropriate exhaust ventilation at machinery and at places where dust can be generated. In case of insufficient ventilation, wear suitable respiratory equipment. Please see the Material Safety Data Sheets (MSDS) of this product for more safety information prior to use. | |
| Thermoplastic acrylic
paint1(white) |
Thermoplastic acrylic
paint2(gray) |
|
| L* | 97.59 | 62.10 |
| b* | -0.32 | -4.65 |
| Contrast radio,% | 93.5 | / |
| *Relative tinting strength,%
(Reference samples are STD.) |
/ | 102 |
| 1.Thermoplastic acrylic resin solution (27% solid content) TiO2.Pigment (TiO2) volume concentration (PVC)=16%.
2.Thermoplastic acrylic resin solution(33% solid content), TiO2, black colorants (Carbon black).Pigment (TiO2) volume concentration (PVC)=15%. |
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