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Improved durability of Bisphenol A polycarbonate by bilayer ceramic nano-coatings alumina-zinc oxide

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Abstract Polycarbonate exposed to sunlight yellows. degrades and loses its usable properties. In order to increase its lifetime. it can be coated with nano-ceramic thin layers of ZnO and Al2O3 deposited by sputtering. https://www.chiggate.com/queen-bee-female-honey-enhancements-cheap/
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