Titanium dioxide, TiO2, is a naturally occurring oxide of titanium. It’s primarily known as an exceptionally bright white pigment. This property makes it incredibly valuable across numerous industries. Its high refractive index scatters light effectively, producing opacity and whiteness. TiO2 is chemically stable, non-toxic, and resistant to UV degradation. Major applications include paints and coatings, where it provides whiteness, brightness, and opacity. It’s a key component in plastics, enhancing durability and color. In paper manufacturing, TiO2 improves brightness and opacity. The food industry uses it as a colorant (E171) to whiten products like candies, chewing gum, and sauces. Cosmetics rely on it for pigments in makeup and sunscreens, where its UV-blocking ability is crucial for skin protection. Nanoscale titanium dioxide is particularly effective in sunscreens for its transparency and UV absorption. Concerns exist regarding nanoparticle inhalation risks, prompting safety reviews in certain applications like food additives; the EU banned E171 in food. However, its use in sunscreens and paints remains widespread and considered safe with proper handling. TiO2 is also used in ceramics, inks, and as a photocatalyst for air and water purification. Production involves processing ilmenite or rutile ore. Its versatility, stability, and unique optical properties ensure titanium dioxide remains a vital industrial material. Always check specific product safety regulations for your region.

(tindioxide)

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