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I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
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Titanium dioxide (TiO2) was officially banned as a food additive (E171) in the European Union starting 2022, after the European Food Safety Authority (EFSA) concluded it could no longer be considered safe as a food additive. This decision was based on uncertainties observed in studies regarding its potential to cause genotoxicity, which refers to the ability of a substance to damage DNA, a factor that can lead to carcinogenic effects. Although widely used in various products from paint to cosmetics, the concern here focuses on its ingestion through food products. This ban in Europe marks a significant shift, as TiO2 was a common ingredient in many food items, known for its use as a whitening and brightening agent. However, titanium dioxide remains approved for use in other applications outside of food additives within the EU and is still used in other regions for food products under certain regulations. Manufacturers are now tasked with finding alternatives to replace TiO2's function in their food products following the ban.
Gluing PEX to PVC is not a viable solution due to the fundamental differences in material properties and the methods used for connecting these types of pipes. PEX (cross-linked polyethylene) relies on mechanical fittings such as crimp, clamp, or push-to-connect methods for joining. PVC (polyvinyl chloride), on the other hand, is typically joined using solvent cement, which chemically fuses the PVC material together. The solvent cement used for PVC pipes does not create a proper bond with PEX because it is designed to work with the specific chemical composition of PVC. To connect PEX to PVC, one should use a compatible fitting that can accommodate both types of pipes, such as a threaded adapter or a specialty transition fitting designed for such purposes. Always ensure that the connection adheres to local plumbing codes and standards.
Wax polymers are synthetic or semi-synthetic materials that mimic the physical properties of natural wax but offer enhanced functionality and versatility. They are complex molecules that can be engineered to have specific characteristics such as higher melting points, increased durability, and variable hardness or flexibility. These polymers can be found in various industries, from automotive, where they are used in protective coatings, to cosmetics, for creating long-lasting makeup products. Their versatility also extends to the packaging industry for providing water-resistant barriers on paper and cardboard. The development of wax polymers represents a significant advancement in materials science, allowing for tailored solutions to specific product needs that natural waxes cannot meet due to their limited range of properties.
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