Product Discription: R-251 is a multi-purpose pigment of rutile titanium dioxide. It doesn't only has excellent optical performance, good whiteness, brightness and gloss, but also strong tinting strength, high hiding power, good dispersibility and excellent durability.
|
TiO2 Content ％ |
≥92.5 |
|
Volatile constituents at 105℃ ％ |
≤0.5 |
|
PH Value |
6.5～8.5 |
|
Oil Absorption g/100g |
≤20 |
|
Residue on sieve of 45μm ％ |
≤O.02 |
|
Tinting Strength Reynolds Standard |
≥1880 |
|
Brightness % |
≥94.5 |
|
Rutile Content % |
≥98 |
|
Resistance Ω•m |
≥80 |
|
Dispersibility Hegman’s Number |
≥6.00 |
|
surface treatment |
Al2O3+ZrO2, organic treatments |
