One of the main uses of titanium oxide is in the production of paints and coatings. Titanium oxide is a key ingredient in many paints and coatings because of its ability to provide opacity, brightness, and UV protection. It is also resistant to discoloration and degradation, making it an ideal choice for outdoor applications.

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Titanium dioxide (TiO₂) is the white pigment used to give whiteness and hiding power, also called opacity, to coatings, inks, and plastics. The reason for this is two-fold:

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For instance, in the construction industry, titanium dioxide coatings are used on exterior surfaces to provide a protective barrier against weathering and UV radiation. This extends the lifespan of building materials such as cement, wood, and metals. Moreover, the bright white pigment of TiO2 can significantly improve the reflectivity of these surfaces, reducing heat absorption and potentially lowering cooling costs.

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Furthermore, TiO2's chemical stability allows it to withstand the extreme temperatures and corrosive environments prevalent in oil and gas processing. Dissolving titanium dioxide in oil can improve the rheological properties of drilling fluids, enhancing their flow characteristics and lubricity. This not only optimizes the drilling process but also reduces wear on equipment, thereby increasing operational efficiency and lowering costs.

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Nanotoxicology “focuses on determining the adverse effects of nanomaterials on human health and the environment.”

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Some sunscreens will say “non-nano” on the label. Choose those, and if the label doesn’t specify if titanium dioxide is nanoparticle size, call or email the company and ask the particle size of the active sunscreen ingredient.

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Specification:

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Titanium dioxide production begins with the extraction of raw materials, typically ilmenite or rutile, from mines. In a white titanium dioxide factory, these minerals undergo a rigorous refining process that includes steps like sulfuric acid digestion, chloride process, or sulfate process, depending on the factory's technology and resources. The resulting titanium dioxide pigment is then purified, dried, and ground to achieve the desired particle size and quality.

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Ultimately, most experts advise moderation, as titanium dioxide is typically found in processed foods that come with their own health risks.

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