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  2. Low-density polyethylene - Wikipedia

    en.wikipedia.org/wiki/Low-density_polyethylene

    LDPE has SPI resin ID code 4 Schematic of LDPE branching structure. Low-density polyethylene (LDPE) is a thermoplastic made from the monomer ethylene.It was the first grade of polyethylene, produced in 1933 by John C. Swallow and M.W Perrin who were working for Imperial Chemical Industries (ICI) using a high pressure process via free radical polymerization. [1]

  3. High-density polyethylene - Wikipedia

    en.wikipedia.org/wiki/High-density_polyethylene

    HDPE is known for its high strength-to-density ratio. [4] The density of HDPE ranges from 930 to 970 kg/m 3. [5] Although the density of HDPE is only marginally higher than that of low-density polyethylene, HDPE has little branching, giving it stronger intermolecular forces and tensile strength (38 MPa versus 21 MPa) than LDPE. [6]

  4. Multilayered packaging - Wikipedia

    en.wikipedia.org/wiki/Multilayered_Packaging

    Multi-layered packaging are multilayer or composite materials using innovative technologies aimed to give barrier properties, strength and storage stability to food items, new materials as well as hazardous materials. [1] Multiple layers are formed by coextrusion, lamination, or various coating technologies. The material of construction of ...

  5. Plastic milk container - Wikipedia

    en.wikipedia.org/wiki/Plastic_milk_container

    Use of food contact materials is required: potential food contamination is prohibited. Strict standards of cleanliness and processing must be followed. The most common material in milk packaging is high density polyethylene (HDPE), recycling code 2. Low density polyethylene (LDPE) and polyester (PET) [1] are also in use.

  6. Plastic - Wikipedia

    en.wikipedia.org/wiki/Plastic

    The most commonly produced plastic consumer products include packaging made from LDPE (e.g. bags, containers, food packaging film), containers made from HDPE (e.g. milk bottles, shampoo bottles, ice cream tubs), and PET (e.g. bottles for water and other drinks). Together these products account for around 36% of plastics use in the world.

  7. Pork Loin Vs. Pork Tenderloin: What Are The Differences? - AOL

    www.aol.com/pork-loin-vs-pork-tenderloin...

    Roasting can be done with boneless or bone-in cuts; grilling can help create a crispy exterior; slow cooking is ideal for busy days; and sous vide cooking helps keep the meat juicy and tender.

  8. Plastic bottle - Wikipedia

    en.wikipedia.org/wiki/Plastic_bottle

    A water bottle. Worldwide, 480 billions of plastic drinking bottles were sold in 2017 (and fewer than half were recycled). [1] A plastic bottle of antifreeze Large plastic bottles of water. A plastic bottle is a bottle constructed from high-density or low density plastic. Plastic bottles are typically used to store liquids such as water, soft ...

  9. Polyolefin - Wikipedia

    en.wikipedia.org/wiki/Polyolefin

    HDPE: used for film (wrapping of goods), blow molding (e.g. bottles), injection molding (e.g., toys, screw caps), extrusion coating (e.g., coating on milk cartons), piping for distributing water and gas, insulation for telephone cables. Wire and cable insulation. LDPE: mainly (70%) used for film. [1] Polypropylene: injection molding, fibers ...

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