LDPE 2924 Low Density Polyethylene Ldpe Resin Blow Molding And Foam Molding Ldpe Price

The process by which extruded LDPE Granules grade foam is manufactured is continuous. Polyethylene is melted until molten, then mixed with a kind of halogenated hydrocarbon which serves as a foaming agent.

Product Introduction

Low-density polyethylene (LDPE) is a thermoplastic made from the monomer ethylene. It was the first grade of polyethylene, produced in 1933 by Dr 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] Its manufacture employs the same method today. The EPA estimates 5.7% of LDPE (resin identification code 4) is recycled in the United States.^[2] Despite competition from more modern polymers, LDPE continues to be an important plastic grade. In 2013 the worldwide LDPE market reached a volume of about US$33 billion.^[3]

Despite its designation with the recycling symbol, it cannot be as commonly recycled as No. 1 (polyethylene terephthalate) or 2 plastics (high-density polyethylene).^[4]^[5]

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