Titanium Dioxide THR-218 - High-Grade Rutile Titanium Dioxide for Paint and Coatings

classification	Titanium oxide
country of origin	Sichuan, China
alias	titanium dioxide
Molecular formula	Ti02
EINECS number	236-675-5
grade	General industrial grade
appearance	White Powder
Comfort with the use of the Chinese parasol tree	Industrial building coatings and printing inks
brand	tisea
model	THR-218
TiO2 content (%)	Wipe 98.0
Red gemstone content%	≥98.0
Playing with a swoosh is still worth it	6.5-8.5
Oil absorption capacity g/100g	≤19.0
Volatile substance 105. c, g/100g	≤0.50

 

Titanium Dioxide THR-218 is a premier-grade, rutile titanium dioxide pigment engineered to deliver exceptional performance, durability, and efficiency in a wide spectrum of paint and coating formulations. Manufactured through the advanced chloride process, this pigment represents the pinnacle of optical and protective functionality, meeting the rigorous demands of both industrial and architectural applications.

 

Core Characteristics and Manufacturing Excellence
As a rutile TiO₂, THR-218 possesses an inherently higher refractive index and greater intrinsic stability compared to its anatase counterpart. This translates to superior light-scattering power, which is the fundamental property for achieving outstanding opacity, whiteness, and brightness. The chloride process ensures an exceptionally pure product with a controlled particle size distribution and optimal surface treatment. These treatments are meticulously applied to enhance critical performance attributes such as dispersion stability, gloss development, and durability against environmental stressors.

 

Unmatched Optical Performance
The primary function of THR-218 is to provide maximum hiding power (opacity) with minimal pigment volume concentration (PVC). Its excellent light-scattering efficiency allows formulators to achieve desired opacity at lower loading levels, optimizing formulation cost and potentially improving film integrity. The pigment exhibits a brilliant blue-white undertone, providing a clean, bright base for both pure whites and deeply saturated colors. This high tinting strength ensures color consistency and vibrancy across batches.

 

Superior Dispersion and Gloss Development
THR-218 is designed for easy and stable incorporation into various binder systems, including water-based (acrylic, PVA), solvent-based (alkyd, polyurethane), and high-solid formulations. Its optimized surface chemistry promotes rapid wetting, reduces grinding time and energy consumption, and prevents re-agglomeration. This results in smooth, uniform films with excellent gloss and distinctness of image (DOI) in glossy and semi-gloss finishes, while also contributing to a uniform matte appearance in low-sheen coatings.

 

Enhanced Durability and Weatherability
A key strength of THR-218 is its exceptional durability. The robust rutile crystal structure, combined with advanced inorganic (typically alumina, silica, and zirconia) and organic surface treatments, provides superior resistance to UV radiation, preventing chalking and gloss loss. It offers excellent resistance to yellowing, ensuring long-term color retention and film integrity. This makes it an ideal choice for exterior architectural coatings (facade paints, trim paints), industrial maintenance coatings, and automotive finishes exposed to harsh sunlight and weather conditions.

 

Formulation Versatility and Application Benefits
THR-218 demonstrates remarkable versatility across a broad application range:

• Architectural Coatings: Provides excellent opacity for one-coat hide, superior scrub and stain resistance in interior wall paints, and enduring weather protection for exterior paints.

• Industrial & Protective Coatings: Used in primers, topcoats, and coil coatings for machinery, structural steel, and pre-fabricated materials, offering corrosion resistance and durability.

• Wood Finishes: Enhances clarity and protects against UV degradation in stains and varnishes.

• Specialty Coatings: Suitable for high-performance applications requiring specific chemical or abrasion resistance.

 

Furthermore, its high efficiency can contribute to improved rheological properties, reducing sagging and settling, and enhancing application smoothness and film build.

 

Sustainability and Compliance
THR-218 is produced with a focus on environmental responsibility. It is typically free of heavy metals and complies with major international regulatory standards for coatings. Its contribution to coating longevity extends the service life of substrates, reducing the frequency of repaints and associated resource consumption.

 

Conclusion
Titanium Dioxide THR-218 stands as a high-performance cornerstone for formulators seeking to develop paints and coatings that excel in aesthetics, protection, and value. By combining supreme opacity, brilliant color potential, easy processing, and long-term durability, THR-218 empowers the creation of products that meet the highest standards of quality and performance in a competitive global market.