Low Density Polyethylene (LDPE)

Alternative and trade names
Lupolen®, Purell®, Pharmalene®, Riblene®, Alfaten
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Description

It is a low density polyethylene resin. It exhibits very good softness and toughness and good dimensional stability. Semi-rigid, translucent, very tough, weatherproof, good chemical resistance, low water absorption, easily processed by most methods, low cost.

This material data has been provided by M-Base.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

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Properties

General

PropertyValue

Density

0.915 - 0.92 g/cm³

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Mechanical

PropertyValueComment

Elastic modulus

0.2 - 0.48 GPa

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Elongation

100.0 - 1000.0 %

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Tensile strength

6.0 - 17.0 MPa

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at 15-25% strain

Impact strength, Charpy unnotched

no break

Thermal

PropertyValue

Coefficient of thermal expansion

0.00023 - 0.00025 1/K

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Melting point

105.0 - 120.0 °C

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Specific heat capacity

2100.0 - 2500.0 J/(kg·K)

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Thermal conductivity

0.32 - 0.4 W/(m·K)

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Flammability

UL 94 HB

Electrical

PropertyValue

Dielectric constant

2.2 [-]

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2.3 [-]

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Electrical resistivity

1000000000000000.0 Ω·m

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Optical

PropertyValue

Transparency

no

Technological properties

Property
Application areas

Films for packaging, agricultural films, carrying bags, heavy-duty sacks, wine bottle closures

Other

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Processing methods

Injection molding, blow molding, extrusion, compression molding, thermoforming, coating