High-Purity Rutile TiO2: Applications in Plastics, Inks & Coatings

General-purpose rutile titanium dioxide is a high-purity, high-performance titanium dioxide product widely used in the plastics, inks, and coatings industries. With its superior whiteness and excellent durability, it demonstrates stable and reliable performance in numerous applications.

The purity of this product typically reaches over 94%, and advanced production processes enable precise control of impurities, especially heavy metals such as iron, aligning with the industry's urgent need for green and high-quality development.

The superior performance of high-purity rutile titanium dioxide stems from scientific manufacturing processes and a rigorous quality management system. Currently, the industry mainstream uses the chloride process or the upgraded sulfuric acid process for production.

The chloride process, due to its high purity and stable crystal form, has become the primary production method for high-end products. This method achieves complete rutile crystal transformation, resulting in uniform particle size distribution with an average particle size controllable at approximately 0.28 μm, laying a solid foundation for the product's excellent optical properties and durability.

Meanwhile, through a special surface treatment process, the interfacial properties of the particles are optimized, improving dispersibility in different media and meeting the industry requirements for energy conservation, carbon reduction, and efficient utilization in the "Energy Consumption Limits for Unit Products of Titanium Dioxide and Iron Oxide Pigments" (GB 32051—2024).

In the field of plastics applications, this product exhibits outstanding adaptability and functionality. Its excellent whiteness gives plastic products a bright and uniform appearance, with an L* value of over 98, a pure base color, and effectively reduces color mixing deviations. It is widely applicable to various products such as plastic pipes, plastic tableware, and outdoor furniture.

Excellent durability is mainly reflected in its anti-aging performance—the product can effectively shield against all wavelengths of ultraviolet light, delaying fading, chalking, and performance degradation of plastics in outdoor environments.

Accelerated aging tests show that plastic composites containing this product have an impact strength more than four times higher than pure plastics, significantly extending the service life of products. Furthermore, its good dispersibility avoids adverse effects on the flowability of plastic processing and has minimal impact on melt flow, helping to ensure smooth production processes and reduce processing costs.

In coating and ink applications, high-purity rutile titanium dioxide also offers significant advantages. In coatings, whether for interior latex paints, outdoor architectural coatings, or industrial anti-corrosion coatings, its high hiding power reduces raw material usage, lowers production costs, and simultaneously improves coating smoothness and gloss.

In applications requiring extremely high material purity, such as electrophoretic coating, its extremely low ion content helps maintain bath stability, reduces pinholes and roughness in the paint film, and enhances the coating's corrosion resistance and adhesion. In ink production, this product disperses quickly and evenly, preventing agglomeration and ensuring clear printed patterns and vibrant colors, meeting the dual aesthetic and practical needs of diverse applications such as book and packaging printing.

As a high-performance product with outstanding compliance, high-purity rutile titanium dioxide meets the current industry's stringent requirements for environmental protection and quality. During production, technologies such as waste heat recovery and resource recycling have enabled continuous optimization of energy consumption, with some companies achieving unit product energy consumption levels exceeding energy efficiency benchmarks.

The product is non-toxic, chemically stable, and has a wide range of applications, suitable for both general consumer plastics and coatings, as well as meeting the stringent standards of high-end industrial sectors.

With the deepening of the green transformation in the titanium dioxide industry, high-purity rutile titanium dioxide, with its excellent comprehensive performance, is becoming an important support for quality improvement and upgrading in the plastics, inks, and coatings industries, helping related products enhance quality and strengthen market competitiveness.

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