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2. Optical coating - Wikipedia

   en.wikipedia.org/wiki/Optical_coating

   The simplest optical coatings are thin layers of metals, such as aluminium, which are deposited on glass substrates to make mirror surfaces, a process known as silvering. The metal used determines the reflection characteristics of the mirror; aluminium is the cheapest and most common coating, and yields a reflectivity of around 88%-92% over the ...

3. 3 Best Christmas Items at Lowe’s That Can Be Reused ... - AOL

   www.aol.com/finance/3-best-christmas-items-lowe...

   These standout items from Lowe’s collection of well-designed, high-quality decorations are worth considering.” Check Out: 8 Christmas Items To Get at Five Below That Cost Way More at Walmart

4. Poly(methyl methacrylate) - Wikipedia

   en.wikipedia.org/wiki/Poly(methyl_methacrylate)

   PMMA is also known as acrylic, acrylic glass, as well as by the trade names and brands Crylux, Hesalite, Plexiglas, Acrylite, Lucite, and Perspex, among several others . This plastic is often used in sheet form as a lightweight or shatter-resistant alternative to glass. It can also be used as a casting resin, in inks and coatings, and for many ...

5. Plate glass - Wikipedia

   en.wikipedia.org/wiki/Plate_glass

   Plate glass is often used in windows. Fragment of a Roman window glass plate dated to 1st to 4th century CE. Plate glass, flat glass or sheet glass is a type of glass, initially produced in plane form, commonly used for windows, glass doors, transparent walls, and windscreens. For modern architectural and automotive applications, the flat glass ...

6. Laminated glass - Wikipedia

   en.wikipedia.org/wiki/Laminated_glass

   [citation needed] The Aérospatiale/BAC Concorde forward pressure windshields had 7 plies, 4 glass and 3 PVB for a total thickness of 38 mm (1.5 inches). [citation needed] For increasing sound attenuation through laminated glass for extreme sound levels, using a mix of 3 mm, 4 mm, 5 mm, and 6 mm glass thicknesses is more effective. [22]

7. List of refractive indices - Wikipedia

   en.wikipedia.org/wiki/List_of_refractive_indices

   Plate glass (window glass) 1.52 [29] Crown glass (pure) 1.50–1.54: PETg: 1.57: Polyethylene terephthalate (PET) 1.5750: Polycarbonate: 150: 1.60 [30] Crown glass (impure) 1.485–1.755: Flint glass (pure) 1.60–1.62: Bromine: 1.661: Flint glass (impure) 1.523–1.925: Sapphire: 1.762–1.778: Boron nitride: 2–2.14 [31] Cubic zirconia: 2.15 ...