High-Whiteness Titanium Dioxide for Plastics, Inks & Coatings
White is a common color in industrial products, and it easily exposes imperfections. Whether it's plastic pipes, packaging inks, or architectural coatings, achieving a pure, uniform, and durable white effect requires high-performance white pigments. Nantai high-whiteness titanium dioxide is a versatile inorganic white pigment suitable for these three major fields: plastics, inks, and coatings.
Through mature preparation processes and refined surface treatment technology, it achieves a good balance in key performance aspects, consistently improving the whiteness, hiding power, and durability of various products.
From a basic performance perspective, this pigment has a pure and bright base color. According to the current CIE L*a*b* color system, its whiteness L* value can consistently reach above 95.0, indicating a brightness very close to ideal white.
Simultaneously, titanium dioxide itself has a refractive index much higher than that of resins, causing strong scattering of light when it hits the pigment particles, thus giving the product good hiding power and allowing for effective coverage of the base color with appropriate dosage. Furthermore, the pigment's chemical stability allows it to adapt well to different industrial production processes, combining practicality and reliability.
In the plastics processing industry, many plastic substrates inherently possess slight translucency and a yellowish undertone, making it difficult to achieve a pure white and substantial appearance using resin alone; the finished products often appear grayish and translucent. High-whiteness Nantai titanium dioxide, with its uniform particle size distribution and excellent surface compatibility, can be stably dispersed in common plastic substrates such as PE, PP, PVC, and ABS.
Upon addition, it improves the whiteness and purity of the finished product, reduces inherent impurities in the substrate, and lowers the translucency of the plastic using its high hiding power, giving the product a pure white matte or high-gloss dense texture. It is suitable for products such as pipes, profiles, films, daily-use plastic parts, and modified plastic granules.
Furthermore, this pigment exhibits good heat stability, resisting decomposition and yellowing during high-temperature extrusion, injection molding, and blow molding processes, helping plastic products maintain color consistency over long-term use and delaying aging and fading.
In ink production, white inks and light-colored ink formulations require high purity and dispersibility of pigments. Ordinary white pigments are prone to insufficient whiteness, a dull color, or printing spots and sedimentation due to poor dispersion.
High-whiteness Nantai titanium dioxide undergoes fine powder processing, resulting in fine and uniform particles. It can quickly wet and disperse in solvent-based or water-based ink systems, minimizing agglomeration and sedimentation, thus improving ink whiteness and color uniformity.
Good hiding power means that thin ink layers can achieve uniform coverage on various substrates such as paper, plastic film, and metal foil, preventing background color bleed-through and ensuring clear and clean printed images. Simultaneously, the product is chemically stable, compatible with various ink resins and additives, and unlikely to cause side reactions. It maintains ink fluidity during storage and printing, making it suitable for various scenarios such as packaging printing, book printing, and screen printing.
Coatings are a typical application area for titanium dioxide pigments to demonstrate their decorative and protective properties, encompassing categories such as interior wall coatings, industrial protective coatings, and general decorative coatings. The final quality of coatings is closely related to whiteness, hiding power, and film stability. High-whiteness Nantai titanium dioxide, with its high refractive index, endows coatings with strong hiding power.
At typical addition levels, it can evenly cover the base color of walls or substrates, concealing stains and color differences. This improves coating efficiency and helps reduce pigment consumption per unit area. Its pure whiteness also gives the paint film a clean and transparent visual effect, helping to maintain color richness and purity in both pure white and light-colored systems, preventing graying and yellowing deviations.
In long-term use after film formation, the product's excellent weather resistance and chemical stability enhance the paint film's resistance to light and moisture erosion, delaying discoloration and chalking, and ensuring the coating surface maintains a clean and bright white appearance for a long time.
Overall, high-whiteness Nantai titanium dioxide combines high whiteness, high hiding power, good process stability, and broad substrate compatibility, demonstrating stable performance in the plastics, inks, and coatings industries.
It can be easily integrated into existing processes, helping various end products to improve their appearance and quality of use. It is a white pigment that balances performance and economy, and is also one of the basic raw materials commonly used in the production of white and light-colored products in the industrial system.
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