Overview
Tronox titanium dioxide, formerly produced under the Cristal brand, is one of the most widely used white pigments globally. Its superior light-scattering properties make it indispensable in industries requiring high opacity and brightness. The product is available in both rutile and anatase crystal forms, each offering distinct advantages for specific applications. Tronox TiO2 is manufactured through either the sulfate or chloride process, with the latter producing higher-purity rutile grades. The company's extensive portfolio includes specialized grades for coatings, plastics, and other niche markets, ensuring optimal performance across diverse use cases.
Physical and Chemical Properties
Tronox titanium dioxide exhibits exceptional chemical stability, remaining inert under most environmental conditions. Its high refractive index (2.7 for rutile) gives it unmatched hiding power in thin film applications. The material is thermally stable up to 1800°C, making it suitable for high-temperature processes. Particle size distribution is tightly controlled during manufacturing, typically ranging from 0.2 to 0.4 microns for optimal light scattering. Surface treatments with alumina, silica, or organic compounds enhance dispersibility and performance in various media. The powder's hydrophilic or hydrophobic nature depends on these surface modifications.
Main Applications
In the coatings industry, Tronox TiO2 accounts for over 50% of global pigment consumption, providing durability and weather resistance to architectural and industrial paints. Plastics manufacturers value it for preventing UV degradation in outdoor products while maintaining color stability. The paper industry uses titanium dioxide to achieve high brightness in premium grades, while cosmetics applications include sunscreens (for UV protection) and makeup formulations. Food-grade TiO2 serves as a whitening agent in confectionery products, though regulatory scrutiny has increased in recent years.
Safety and Storage
While titanium dioxide is generally considered non-toxic, inhalation of fine dust particles should be avoided. NIOSH recommends using N95 respirators when handling powder forms in confined spaces. Eye protection and gloves are advised to prevent mechanical irritation. Storage facilities should maintain relative humidity below 65% to prevent caking. Bulk bags require palletized storage with protection from moisture and physical damage. The material is non-flammable but may generate dust explosions at high concentrations in air - proper ventilation and grounding are essential during transfer operations.
B2B Procurement Guide
Industrial buyers should specify required parameters including crystal type (rutile preferred for exterior durability), oil absorption values, and any surface treatments. Technical datasheets should provide CIELAB color coordinates and ISO brightness measurements for quality verification. Consider regional supply chain factors: Tronox operates production facilities in North America, Europe, and Australia, with logistics costs varying significantly. Many distributors offer just-in-time delivery programs for large-volume users. Request samples for testing compatibility with your formulation before committing to bulk purchases.
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