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In 2021, the European Food Safety Authority concluded that titanium dioxide is no longer safe in foods due to the same concerns over nanoparticles. As a result, titanium dioxide is now banned as a food additive in the EU. Although studies have shown that the absorption of ingested titanium dioxide is low, evidence suggests that titanium dioxide nanoparticles can accumulate in the body over time. Health Canada deemed it safe in 2022 but noted concerns. Unlike their European counterparts, Canadian officials did not consider studies performed with titanium dioxide nanoparticles alone. 

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Lithopone, also called zinc-barium white, is a very stable network molecular structure formed by the reaction of zinc sulfate and barium sulfide and calcined at high temperature. Lithopone is a white powder that is non-toxic and non-corrosive. It is insoluble in water and does not interact with hydrogen sulfide and alkali. It dissolves with acid and produces hydrogen sulfide gas.

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  • The installation of pultruded fiberglass grating is straightforward, often involving clipping the panels into place or using drilled holes for bolting. Maintenance is minimal as the material does not require painting or special treatments to preserve its function or appearance over time.
  • In the world of carpentry and metalworking, tools are not just instruments but extensions of the craftsman's will. Among these tools, the 75mm drill bit stands out as a versatile powerhouse, capable of piercing through materials with precision and ease. This isn't merely a piece of cutting tool; it's the sharp edge where force meets finesse.
  • When choosing a drill bit for your next project, be sure to consider the shank type that will work best for your specific needs. Whether you need a versatile straight shank, a high-torque hex shank, or a durable taper shank, selecting the right shank can make all the difference in the success of your drilling tasks. With the wide range of shank types available, you can find the perfect bit for any job.