Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Zhonghe R-2219 Titanium Dioxide

Zhonghe R-2219 Titanium Dioxide is a premium rutile-type pigment from Zhonghe’s R-series, engineered for exceptional brightness, high refractive index, and superior weather resistance. It features optimized surface treatment for enhanced dispersion in coatings, inks, and plastics. Widely used in architectural paints and industrial applications, it delivers outstanding opacity and gloss retention with low oil absorption and excellent chalking resistance.
  • zhonghe r 2219 titanium dioxide_e490a750
  • zhonghe r 2219 titanium dioxide_e490a750

Features Of Zhonghe R-2219 Titanium Dioxide

  1. High refractive index for superior opacity and hiding power in coating systems.

  2. Optimized particle size distribution ensuring excellent dispersion stability in water-based and solvent-based formulations.

  3. Surface-treated with silica and alumina for enhanced weather resistance and reduced photochemical degradation.

  4. Low oil absorption (≤18 g/100g) enabling high pigment loading and improved formulation efficiency.

  5. Consistent batch-to-batch quality certified under ISO 9001 manufacturing controls.

Typical Applications Of Zhonghe R-2219 Titanium Dioxide

  1. Architectural and industrial coatings requiring high whiteness and durability.

  2. Automotive OEM and refinish coatings demanding color consistency and gloss retention.

  3. Plastic masterbatches for polyolefins, PVC, and engineering resins.

  4. Printing inks, especially offset and flexographic inks requiring fine dispersion and brightness.

  5. Specialty inks and functional coatings for packaging and decorative films.

Specifications Of Zhonghe R-2219 Titanium Dioxide

Chemical TypeAnatase/Rutile hybrid (≈70% rutile)
Product FormFine white powder
AppearanceFree-flowing, non-dusting white powder
Primary ApplicationsCoatings, plastics, inks
Key FeaturesSurface-treated (SiO₂ + Al₂O₃), hydrophobic
Specific Surface Area (BET)12–15 m²/g
pH (10% aqueous slurry)6.5–8.0
Volatile Matter (105°C, 2h)≤0.5 wt%


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