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  2. Shrink wrap - Wikipedia

    en.wikipedia.org/wiki/Shrink_wrap

    Shrink wrap is also commonly used within more industrial applications using a heavier weight shrink film. The principles remain the same with a heat shrinking process using a hand held heat gun. The following shrink wrap applications are becoming more widely used and accepted: Industrial shrink wrap containment of large plant equipment/components,

  3. Linear low-density polyethylene - Wikipedia

    en.wikipedia.org/wiki/Linear_low-density...

    LDPE and LLDPE have unique rheological or melt flow properties. LLDPE is less shear sensitive because of its narrower molecular weight distribution and shorter chain branching. During a shearing process, such as extrusion, LLDPE remains more viscous and, therefore, harder to process than an LDPE of equivalent melt index.

  4. 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]

  5. Westlake Corporation - Wikipedia

    en.wikipedia.org/wiki/Westlake_Corporation

    In 2014, Westlake acquired the German polyvinyl chloride manufacturer Vinnolit. [8] In 2016, Westlake acquired U.S. chlor-alkali producer Axiall Corporation for US$3.8 billion. [9] In June 2021, Westlake purchased the United States building products business of Boral for $2.2 billion. [10] [11] In 2022, W. took over Hexion's epoxy division. [12]

  6. Multilayered packaging - Wikipedia

    en.wikipedia.org/wiki/Multilayered_Packaging

    Paper/foil/LDPE; Aluminium foil/paper/LDPE; PE/aluminium foil/paper; PET/aluminium foil/LDPE; Apart from these nylon, EVOH, EAA, PA, EVA, SiO2 plasma coatings are also used in laminates to give various functional properties. The layer combinations are selected by the engineer depending on the product characteristic, shelf life and extent of ...

  7. Plastic film - Wikipedia

    en.wikipedia.org/wiki/Plastic_film

    Film strip (photographic film) 6 mil polyethylene plastic sheet as vapor barrier in construction Confectionery packaging made of PLA-blend bio-flex bioplastic Shrink-wrapped OH-58 Kiowa helicopters to be shipped. Plastic film is a thin continuous polymeric material. Thicker plastic material is often called a "sheet".

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