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  2. Polystyrene - Wikipedia

    en.wikipedia.org/wiki/Polystyrene

    Polystyrene (PS) / ˌ p ɒ l i ˈ s t aɪ r iː n / is a synthetic polymer made from monomers of the aromatic hydrocarbon styrene. [5] Polystyrene can be solid or foamed. General-purpose polystyrene is clear, hard, and brittle. It is an inexpensive resin per unit weight. It is a poor barrier to air and water vapor and has a relatively low ...

  3. Polymeric foam - Wikipedia

    en.wikipedia.org/wiki/Polymeric_foam

    Polystyrene#Foams (PS) foam Expanded polystyrene (EPS) Extruded polystyrene foam (XPS), sometimes sold under brand name Styrofoam; sometimes polystyrene paper (PSP) Polyurethane (PU) foam. LRPu low-resilience polyurethane; Memory foam; Sorbothane; Polyurea foam; Polyethylene foam, as used in PEF rod; Polyvinyl chloride (PVC) foam Closed-cell ...

  4. Styrofoam - Wikipedia

    en.wikipedia.org/wiki/Styrofoam

    Styrofoam insulation extruded polystyrene foam (XPS), owned and manufactured by DuPont. Styrofoam is a genericized trademarked brand of closed-cell extruded polystyrene foam (XPS), manufactured to provide continuous building insulation board used in walls, roofs, and foundations as thermal insulation and as a water barrier.

  5. Phase-out of polystyrene foam - Wikipedia

    en.wikipedia.org/wiki/Phase-out_of_polystyrene_foam

    Washington, D.C. banned polystyrene foam takeout containers on January 1, 2016. The ban was expanded on January 1, 2021, to include the retail sale of polystyrene foam. [89] American Samoa banned the import, sale, and distribution of polystyrene foam containers on February 6, 2024, taking effect 60 days later. [90]

  6. Recycling codes - Wikipedia

    en.wikipedia.org/wiki/Recycling_codes

    Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.

  7. Vitamin D not recommended for preventing fractures in older ...

    www.aol.com/vitamin-d-not-recommended-preventing...

    The U.S. Preventive Services Task Force released a draft recommendation advising against using vitamin D to prevent falls and fractures in people over 60. Pharmacist Katy Dubinsky weighs in.

  8. Resin identification code - Wikipedia

    en.wikipedia.org/wiki/Resin_identification_code

    6: polystyrene (PS) (plastic utensils, Styrofoam, cafeteria trays, etc.) 7: Other (N/A) other plastics, such as acrylic, nylon and polycarbonate. When a number is omitted, the arrows arranged in a triangle resemble the universal recycling symbol, a generic indicator of recyclability. Subsequent revisions to the RIC have replaced the arrows with ...

  9. Bird flu kills more than half the big cats at a Washington ...

    www.aol.com/bird-flu-kills-more-half-205053162.html

    Bird flu has been on the rise in Washington state and one sanctuary was hit hard: 20 big cats – more than half of the facility’s population – died over the course of weeks.

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