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2. Polycarbonate - Wikipedia

   en.wikipedia.org/wiki/Polycarbonate

   Price: 2.6–2.8 €/kg [4] ... Other applications, including polycarbonate sheets, may have the anti-UV layer added as a special coating or a coextrusion for ...

3. Transparent ceramics - Wikipedia

   en.wikipedia.org/wiki/Transparent_ceramics

   Saint-Gobain is currently capable of producing 0.43" thick (as grown) sapphire, in 12" × 18.5" sheets, as well as thick, single-curved sheets. [23] The U.S. Army Research Laboratory is currently investigating use of this material in a laminate design for transparent armor systems. The Saint Gobain Group have commercialized the capability to ...

4. Insulated glazing - Wikipedia

   en.wikipedia.org/wiki/Insulated_glazing

   A typical installation of insulated glass windows with uPVC frames. Possibly the earliest use of double glazing was in Siberia, where it was observed by Henry Seebohm in 1877 as an established necessity in the Yeniseysk area where the bitterly cold winter temperatures regularly fall below -50° C, indicating how the concept may have started: [2]

5. Architectural glass - Wikipedia

   en.wikipedia.org/wiki/Architectural_glass

   An evacuated glazing unit is made by sealing the edges of two glass sheets, typically by using a solder glass, and evacuating the space inside with a vacuum pump. The evacuated space between the two sheets can be very shallow and yet be a good insulator, yielding insulative window glass with nominal thicknesses as low as 6 mm overall.

6. Tempered glass - Wikipedia

   en.wikipedia.org/wiki/Tempered_glass

   A vandalised telephone booth made with tempered glass. Tempered or toughened glass is a type of safety glass processed by controlled thermal or chemical treatments to increase its strength compared with normal glass.

7. Poly(methyl methacrylate) - Wikipedia

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

   Sheets of PMMA are commonly used in the sign industry to make flat cut out letters in thicknesses typically varying from 3 to 25 millimeters (0.1 to 1.0 in). These letters may be used alone to represent a company's name and/or logo, or they may be a component of illuminated channel letters.