PE (Polyethylene) is a thermoplastic resin made by polymerizing ethylene monomers.
It has the characteristics of odorless, non-toxic, and wax like texture, and has good low temperature resistance, with a minimum operating temperature of -100~-70 ° C. The chemical stability of PE is also very good, able to withstand most acid-base erosion, but not resistant to acids with oxidative properties. At room temperature, PE is insoluble in general solvents, has low water absorption, and excellent electrical insulation properties
PE is a commonly used thermoplastic, and its processing methods include but are not limited to the following:
Molten PE is injected into a mold and cooled to form the desired shape.
Extrusion molding:
By heating and applying pressure, PE is passed through a specific shaped die to form pipes, sheets, films, etc.
Blow molding:
extruding molten PE into a tube shape and then inflating it into the desired shape with compressed air, commonly used in the manufacture of bottles and containers.
Rotary molding:
Place PE powder into a mold, heat and rotate to evenly distribute and melt the powder, and cool to form a hollow product.
Thermoforming:
Heat the PE sheet to its softening point and then mold it, suitable for making thin-walled containers and packaging materials.
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