Rutile titanium dioxide R-251
Product classification:
R-251 is a multi-purpose rutile titanium dioxide pigment designed for coatings, paints, plastics and other applications. It has the properties of blue undertone, excellent dispersion, excellent hiding power and high gloss. The excellent particle size control technology, surface treatment technology and impurity content control technology ensure the excellent pigment performance of the product and good performance in various application systems.
key word:
Hotline:
R-251 is a multi-purpose rutile titanium dioxide pigment designed for coatings, paints, plastics and other applications. It has the properties of blue undertone, excellent dispersion, excellent hiding power and high gloss. The excellent particle size control technology, surface treatment technology and impurity content control technology ensure the excellent pigment performance of the product and good performance in various application systems.
Parameter |
Typical Value |
TiO2 content, % |
≥93.0 |
Inorganic surface treatment |
ZrO2. nH2O、Al2O3 . nH2O |
Organic surface treatment |
Polyols |
Lightness value |
≥94.5 |
Tinting strength (Reynolds number) |
≥1880 |
Oil absorption, g/100g pigment |
≤18 |
Volatile at 105 ° C, % |
≤0.5 |
pH value |
6.0~9.0 |
Residue on 45μm sieve mesh, % |
≤0.02 |
Resistivity of water liquid extract, Ω.M |
≥80 |
Rutile content, % |
≥98.0 |
Dispersion (Hagerman number) |
≥6.25 |
Specific gravity, g/cm3 |
4.1 |
International standard ISO 591 classification |
R2 |
ASTM D476 classification |
V |
Field |
Value |
Coatings |
Excellent whiteness, dispersion, hiding power and weather resistance |
Paints |
Excellent whiteness, dispersion, hiding power, gloss, weather resistance and low oil absorption |
Plastics |
Blue undertone, excellent whiteness, tinting strength, hiding power and weather resistance |
Color paste/chip |
Blue undertone, excellent whiteness, tinting strength, hiding power, low oil absorption and viscosity |
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