R-298 is a multi-purpose rutile TiO2 pigment is known for its low oil absorption, high gloss, high tinting strength, durability, and dispersability. Produced by the Sulfate process, with a very fine particle size, it has excellent hiding power, blue tint undertone.
R298 has a zirconium and Al2O3 inorganic surface treatment, in combination with a special organic coating. It is well suited for both waterborn and solventborn coating, ink applications.
Technical Specifications of Titanium Dioxide r-298
| Titanium Dioxide, wt%, min. | 91 |
| Rutile, wt%, min. | 98 |
| Brightness, min. | 95 |
| Tint reducing power(Reynolds number), min. | 1920 |
| Loss at 105°C: | 0.008 |
| PH of aqueous suspension | 6.0-9.0 |
| Oil absorption, g/100g, max. | 20 |
| Residue on sieve 45µm, max. | 0.02 |
| Resistivity of water extract liquor Ω .m, min. | 80 |
| Dispersibility(Haegeman Index), min. | 6.5 |
| Whiteness(compare with standard) | Not less than |
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