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  2. Styrofoam - Wikipedia

    en.wikipedia.org/wiki/Styrofoam

    The claimed R-value of Styrofoam insulation is approximately 5 °F⋅ft 2 ⋅h/BTU for 1 inch thick sheet. [7] Styrofoam can be used under roads and other structures to prevent soil disturbances due to freezing and thawing. [8] [9] DuPont also produces Styrofoam blocks and other shapes for use by florists and in craft products. [10]

  3. Polystyrene - Wikipedia

    en.wikipedia.org/wiki/Polystyrene

    Sheets of EPS are commonly packaged as rigid panels (common in Europe is a size of 100 cm x 50 cm, usually depending on an intended type of connection and glue techniques, it is, in fact, 99.5 cm x 49.5 cm or 98 cm x 48 cm; less common is 120 x 60 cm; size 4 by 8 ft (1.2 by 2.4 m) or 2 by 8 ft (0.61 by 2.44 m) in the United States). Common ...

  4. Phase-out of polystyrene foam - Wikipedia

    en.wikipedia.org/wiki/Phase-out_of_polystyrene_foam

    In 2019, the European Parliament voted 560 to 35 to ban all food and beverage containers made from expanded polystyrene throughout the European Union member states. [2] Canada amended its 'Canadian Environmental Protection Act, 1999' in 2022 to prohibit foodservice ware made of expanded or extruded polystyrene, and also polyvinyl chloride ...

  5. Styrene - Wikipedia

    en.wikipedia.org/wiki/Styrene

    Styrene is an organic compound with the chemical formula C 6 H 5 CH=CH 2.Its structure consists of a vinyl group as substituent on benzene.Styrene is a colorless, oily liquid, although aged samples can appear yellowish.

  6. Foamcore - Wikipedia

    en.wikipedia.org/wiki/Foamcore

    Foamcore, foam board, or paper-faced foam board is a lightweight and easily cut material used for mounting of photographic prints, as backing for picture framing, for making scale models, and in painting. It consists of a board of polystyrene foam clad with an outer facing of paper on either side, typically white clay-coated paper or brown ...

  7. Plastic extrusion - Wikipedia

    en.wikipedia.org/wiki/Plastic_extrusion

    In sheet extrusion, these rolls not only deliver the necessary cooling but also determine sheet thickness and surface texture. [7] Often co-extrusion is used to apply one or more layers on top of a base material to obtain specific properties such as UV-absorption, texture, oxygen permeation resistance, or energy reflection.

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