LDPE material properties, low density polyethyelene, ldpe material properties and more on Plastixportal.LDPE material properties, low density polyethyelene, ldpe material properties on Plastixportal.
Low-density polyethylene, LDPE is a thermoplastic made from petroleum. It was the first grade of polyethylene, produced in 1933 by Imperial Chemical Industries (ICI) using a high pressure process via free radical polymerization. Its manufacture employs the same method today. LDPE is commonly recycled and has the number 4 as its recycling symbol. Despite competition from more modern polymers, LDPE continues to be an important plastic grade.
(LDPE) Low Density Polyethylene
Thermoplastic
Cheap, good chemical resistance. High impact strength at low temperatures. Excellent electrical properties. Can be processed by all conventional methods. Can be transparent in thin film form.
Low strength, stiffness and maximum operating temperature. Flammable. Poor UV resistance. High gas permeability ( particularly CO2 ). Susceptible to environmental stress cracking.
Chemically resistant fittings, bowls, lids, gaskets, toys, containers, packaging film, film liners, squeeze bottles. Heat-seal films for metal laminates. Pipe, cable covering, core in UHF cables.
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