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  1. Plastic container. Heat resistant plastic container. A plastic bottle of antifreeze. Home storage containers with latched lids. Stackable reusable plastic euro containers. Plastic containers are containers made exclusively or partially of plastic. Plastic containers are ubiquitous either as single-use or reuseable /durable plastic cups, plastic ...

  2. Polyethylene terephthalate (or poly (ethylene terephthalate), PET, PETE, or the obsolete PETP or PET-P ), is the most common thermoplastic polymer resin of the polyester family and is used in fibres for clothing, containers for liquids and foods, and thermoforming for manufacturing, and in combination with glass fibre for engineering resins. [5]

    • (C₁₀H₈O₄)ₙ
    • 10–50 kg/mol, varies
    • > 250 °C (482 °F; 523 K) 260 °C
    • Practically insoluble
  3. A water bottle made from recycled PET (bottle-to-bottle recycling) A polyester bag made from recycled PET. A food tray made from recycled PET bearing the rPET symbol. Although PET is used in several applications (principally textile fibres for apparel and upholstery, bottles and other rigid packaging, flexible packaging and electrical and ...

  4. Health concerns. Combustibility. References. External links. Polypropylene ( PP ), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications. It is produced via chain-growth polymerization from the monomer propylene . Polypropylene belongs to the group of polyolefins and is partially crystalline and non-polar.

  5. en.wikipedia.org › wiki › PolyurethanePolyurethane - Wikipedia

    Polyurethane ( / ˌpɒliˈjʊərəˌθeɪn, - jʊəˈrɛθeɪn /; [1] often abbreviated PUR and PU) refers to a class of polymers composed of organic units joined by carbamate (urethane) links. In contrast to other common polymers such as polyethylene and polystyrene, polyurethane is produced from a wide range of starting materials.

  6. Pandora's box. A pithos from Crete, c. 675 BC. Louvre. Pandora's box is an artifact in Greek mythology connected with the myth of Pandora in Hesiod 's c. 700 B.C. poem Works and Days. [1] Hesiod related that curiosity led her to open a container left in the care of her husband, thus releasing curses upon mankind.

  7. en.wikipedia.org › wiki › AmmoniaAmmonia - Wikipedia

    Ammonia is an inorganic chemical compound of nitrogen and hydrogen with the formula N H 3.A stable binary hydride and the simplest pnictogen hydride, ammonia is a colourless gas with a distinctive pungent smell. Biologically, it is a common nitrogenous waste, and it contributes significantly to the nutritional needs of terrestrial organisms by serving as a precursor to fertilisers.

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