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  • Although barium sulfate is almost completely inert, zinc sulfide degrades upon exposure to UV light, leading to darkening of the pigment. The severity of this UV reaction is dependent on a combination of two factors; how much zinc sulfide makes up the pigments formulation, and its total accumulated UV exposure. Depending on these factors Lithopone B301, Lithopone B311 powder itself may vary in shade over time, ranging from pure white all the way to grey or even black. To suppress this effect, a dopant might be used, like small amount of cobalt salts, which would be added to the formulation. This process creates cobalt-doped zinc sulfide. The cobalt salts help to stabilize zinc sulfide so it will not have as severe a reaction to UV exposure.

  • As a result, tariffs for titanium products are remaining similar to the ones in 2016, which will not cause bigger price fluctuations and keep a stable market.

  • A 2023 study published in the journal Particle and Fibre Toxicology set out to examine the impact of titanium dioxide nanoparticles in mice “on the course and prognosis of ulcerative colitis,” by creating an ulcerative colitis disease model. Researchers found that the titanium dioxide nanoparticles significantly increased the severity of colitis. They also “decreased the body weight, increased the disease activity index and colonic mucosa damage index scores, shortened the colonic length, increased the inflammatory infiltration in the colon.” Researchers concluded: “Oral intake of TiO2 nanoparticles could affect the course of acute colitis in exacerbating the development of ulcerative colitis, prolonging the ulcerative colitis course and inhibiting ulcerative colitis recovery.”

  • TiO2 pigment factories also focus on environmental sustainability and strive to minimize their environmental impact. They implement measures such as waste management, recycling, and the use of eco-friendly production processes to reduce their carbon footprint. Some factories also use renewable sources of energy, such as solar or wind power, to power their operations and reduce their dependence on fossil fuels.
  • The use of barium sulfate boards is not limited to conventional radiography; it extends to advanced imaging techniques such as fluoroscopy and computed tomography (CT). During a fluoroscopic procedure, real-time images are captured as the patient swallows or is injected with the barium solution, allowing for the observation of the GI tract's dynamic processes such as peristalsis and the opening of sphincters.
  • To address these concerns, regulatory agencies around the world have established guidelines for the use of TiO2 in cosmetics. For example, the European Union has set limits on the amount of TiO2 allowed in cosmetic products, and the United States Food and Drug Administration (FDA) requires manufacturers to list TiO2 as an ingredient on product labels.

  • Lithopone was discovered in the 1870s by DuPont. It was manufactured by Krebs Pigments and Chemical Company and other companies.[2] The material came in different seals, which varied in the content of zinc sulfide. Gold seal and Bronze seals contain 40-50% zinc sulfide, offering more hiding power and strength.[3] Although its popularity peaked around 1920, approximately 223,352 tons were produced in 1990. It is mainly used in paints, putty, and in plastics.[1]

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  • In conclusion, if you are in need of lithopone with a purity of 28%-30%, look no further than this reputable supplier. With their commitment to quality, competitive pricing, and outstanding customer service, they are sure to meet and exceed your expectations. Contact them today to learn more about their products and how they can help you with your pigment needs.

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  • Going Public

  • The production of lithopone is associated with several environmental concerns, including air and water pollution. Zinc sulfide ore mining can lead to soil erosion and habitat destruction, while sulfuric acid leaching and calcination processes can release pollutants into the air and water. To address these issues, many Chinese lithopone factories have implemented environmental protection measures such as wastewater treatment and emission reduction technologies.

  • It doesn’t take much to imagine what they must be doing to our poor skin each day as we layer on our sunscreen, foundation, concealers, eyeshadows & lip sticks which all contain large doses of titanium dioxide.

  • The effects of TiO2 NPs in plants