Overview
Titanium Dioxide (Meiji) is a premium-grade titanium dioxide pigment renowned for its exceptional opacity and brightness. Produced through the sulfate or chloride process, it is widely used in industrial and consumer applications due to its superior light-scattering properties. As one of the most widely produced white pigments globally, it plays a critical role in enhancing the performance and appearance of products across multiple industries. Its non-toxic nature and stability make it suitable for both industrial and food-grade applications.
Physical and Chemical Properties
Titanium Dioxide (Meiji) exhibits high refractive index (2.7 for rutile form), which contributes to its outstanding opacity. It is thermally stable, with a melting point exceeding 1,800°C, and maintains its properties under most environmental conditions. The pigment is chemically inert, resisting reactions with acids, alkalis, and most organic solvents. Its UV absorption characteristics make it valuable for applications requiring light stability, such as exterior coatings and plastics exposed to sunlight.
Main Applications
In the coatings industry, Titanium Dioxide (Meiji) provides whiteness, opacity, and durability to paints, varnishes, and lacquers. It's particularly valued for architectural paints and automotive coatings where weather resistance is crucial. The plastics sector utilizes it to enhance brightness and opacity in products ranging from packaging materials to vinyl siding. In paper manufacturing, it improves print quality and brightness while reducing fiber show-through. Other applications include cosmetics (sunscreens), food coloring (E171), and ceramic glazes.
Safety and Storage
While Titanium Dioxide is generally considered safe, inhalation of fine dust should be avoided. Appropriate respiratory protection is recommended when handling powder forms. The pigment is non-flammable and non-reactive under normal conditions. Proper storage requires keeping containers tightly sealed in a dry environment to prevent moisture absorption. Bulk storage should maintain temperatures below 40°C (104°F) to prevent caking. The material is stable for at least two years when stored correctly.
B2B Procurement Guide
When procuring Titanium Dioxide (Meiji) for industrial use, buyers should specify the required grade (rutile or anatase), surface treatment (if any), and particle size distribution. Technical datasheets should be reviewed for lightfastness, oil absorption, and tinting strength specifications. Bulk purchases typically offer significant cost advantages, with standard packaging including 25kg bags, big bags (500-1000kg), or tanker trucks for liquid dispersions. Quality certifications such as ISO 9001 and REACH compliance should be verified for European market access.
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