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  2. 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 ...

  3. 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 ...

  4. Insulated glazing - Wikipedia

    en.wikipedia.org/wiki/Insulated_glazing

    Insulating glass (IG) consists of two or more glass window panes separated by a space to reduce heat transfer across a part of the building envelope. A window with insulating glass is commonly known as double glazing or a double-paned window , triple glazing or a triple-paned window, or quadruple glazing or a quadruple-paned window, depending ...

  5. Storm window - Wikipedia

    en.wikipedia.org/wiki/Storm_window

    Storm windows are windows that are mounted outside or inside of the main glass windows of a house. [1] Storm windows exist in North America, but are uncommon in continental Europe, where double, triple or quadruple glazing is prevalent. Storm windows can be made of glass, rigid plastic panels, or flexible plastic sheets; and may be permanently ...

  6. Glazing (window) - Wikipedia

    en.wikipedia.org/wiki/Glazing_(window)

    Glazing, which derives from the Middle English for 'glass', is a part of a wall or window, made of glass. [1] [2] Glazing also describes the work done by a professional "glazier". Glazing is also less commonly used to describe the insertion of ophthalmic lenses into an eyeglass frame. [3]

  7. Polycarbonate - Wikipedia

    en.wikipedia.org/wiki/Polycarbonate

    It can be laminated to make bullet-proof "glass", although "bullet-resistant" is more accurate for the thinner windows, such as are used in bullet-resistant windows in automobiles. The thicker barriers of transparent plastic used in teller's windows and barriers in banks are also polycarbonate.