R 639
R 639 is zirconia-alumina and organic surface treated rutile
titanium dioxide pigment. It is characterized with blue
undertone, low oil absorption, high disperibility and good
system compatibility.
Specifications:
|
TiO2 content % |
≥95.0 |
|
Tinting power reynolds |
≥1850 |
|
Specific resistance Ω.cm |
≥8000 |
|
Sieve residue +0.045mm% |
≤0.03 |
|
pH |
6.5~8.5 |
|
Crystal size μm |
0.23 |
|
Oil absorption, g/100g |
≤18 |
|
CIE L* |
97.5-99.9 |
|
CIE b* |
≤1.0 |
|
SCX |
4.0-5.0 |
● Applications
◊ Plastic & Masterbatch
◊ Printing inks
◊ Paper
◊ Powder coatings
◊ Paints