Titanium Dioxide (TiO2) powder is globally recognized as the most important white pigment, a status it has earned through a unique combination of physical and chemical properties. At NINGBO INNO PHARMCHEM CO.,LTD., we are committed to providing the highest quality TiO2 powder, enabling industries to achieve unparalleled results. This article explores the science behind its brilliance and versatility.

The fundamental property driving TiO2 powder's effectiveness is its exceptionally high refractive index. This means it bends and scatters light more efficiently than most other white materials. When TiO2 particles are incorporated into a medium like paint or plastic, they reflect and scatter visible light, resulting in a bright, opaque white color. This light-scattering capability is crucial for achieving excellent hiding power, meaning a thin layer of TiO2-containing material can effectively cover underlying surfaces.

Chemically, titanium dioxide is a stable, inert inorganic compound. It is resistant to chemical reactions, oxidation, and degradation under most conditions, including exposure to UV light, acids, and alkalis. This stability is vital for the longevity and performance of products. For instance, paints formulated with TiO2 powder resist fading and chalking when exposed to sunlight, a key reason for its widespread use in exterior coatings. The chemical inertness also contributes to its safety in applications like food colorants and cosmetics.

The production of TiO2 powder typically involves either the sulfate process or the chloride process, each yielding different crystal structures—anatase and rutile. Rutile TiO2 generally has a higher refractive index and better UV absorption than anatase, making it the preferred choice for applications demanding maximum opacity and durability, such as automotive paints and exterior coatings. Anatase TiO2, while having a lower refractive index, exhibits stronger photocatalytic activity, finding use in self-cleaning surfaces and air purification systems.

The particle size and morphology of TiO2 powder are critical factors influencing its optical and functional properties. Finer particles, especially in the nanometer range, scatter light more effectively and can exhibit enhanced UV absorption, leading to improved transparency and UV blocking capabilities. This makes nano titanium dioxide powder ideal for applications like transparent sunscreens and specialized coatings. Manufacturers must carefully select the appropriate particle size and grade of TiO2 powder to meet the specific requirements of their products.

NINGBO INNO PHARMCHEM CO.,LTD. offers a comprehensive range of high purity titanium dioxide powder products, catering to diverse industrial needs. Whether you require rutile for superior opacity or anatase for its photocatalytic properties, we ensure consistent quality and reliable supply. Our commitment to technical excellence and customer service makes us a trusted partner for businesses seeking the best in white pigment technology.