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  2. Transparent ceramics - Wikipedia

    en.wikipedia.org/wiki/Transparent_ceramics

    Several glasses are utilized in transparent armor, such as normal plate glass (soda-lime-silica), borosilicate glasses, and fused silica. Plate glass has been the most common glass used due to its low cost, but greater requirements for the optical properties and ballistic performance have generated the need for new materials.

  3. Optical disc packaging - Wikipedia

    en.wikipedia.org/wiki/Optical_disc_packaging

    Around 1993, there was a general shift to the rear jewel case being made of clear plastic instead of black or coloured. The front lid contains two, four, or six tabs to keep any liner notes in place. The liner notes typically will be a 120 by 120 millimetres (4.7 in × 4.7 in) booklet, or a single 242 by 120 millimetres (9.5 in × 4.7 in) leaf ...

  4. Borosilicate glass - Wikipedia

    en.wikipedia.org/wiki/Borosilicate_glass

    Borosilicate glass is a type of glass with silica and boron trioxide as the main glass-forming constituents. Borosilicate glasses are known for having very low coefficients of thermal expansion (≈3 × 10 −6 K −1 at 20 °C), making them more resistant to thermal shock than any other common glass.

  5. Polyvinyl chloride - Wikipedia

    en.wikipedia.org/wiki/Polyvinyl_chloride

    It is also used in making plastic bottles, packaging, and bank or membership cards. Adding plasticizers makes PVC softer and more flexible. It is used in plumbing, electrical cable insulation, flooring, signage, phonograph records , inflatable products, and in rubber substitutes. [ 10 ]

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