Photocatalyst
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Evonik's titanium dioxides are excellent photocatalysts. This is due to the very high surface area and the mixed anatase and rutile crystal structure.
Now, Evonik provides you not only with the well known AEROXIDE® TiO2 P25 but also with water based TiO2 dispersions and finer titania powder:
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=> Produktinformationen und Sicherheitsdatenblätter (SDB) können im Produktfinder angezeigt und als PDF-Datei heruntergeladen werden! |
| AEROXIDE® POWDERS |
Parameter
(test method) |
Unit |
AEROXIDE® TiO2 P25 |
VP TiO2 P90 |
| Specific surface area (BET) |
m2/g |
50 +/- 15 |
90 +/- 20 |
| pH (4% dispersion in water) |
|
3.5 - 4.5 |
3.2 - 4.2 |
| Average primary particle size |
nm |
approx. 21 |
approx. 14 |
Tapped density
(acc to DIN EN ISO 787/11, Aug. 1993) |
g/l |
approx. 130 |
approx. 120 |
| Moisture (2 hours at 105°C) |
wt.-% |
< 1.5 |
< 2.0 |
Ignition loss
(2 hours at 1000°C based on material dried for 2 hours at 105°C) |
wt.-% |
< 2.0 |
< 2.0 |
TiO2 content
(based on ignited material) |
wt.-% |
>99.5 |
>99.5 |
The data represent typical values and not production parameters.
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