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Low Density Polyethylene (LDPE)

Alternative and trade names
Lupolen®, Purell®, Pharmalene®, Riblene®
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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.

Ashby charts

See where Low Density Polyethylene (LDPE) falls on the material property chart for Density against Elastic modulus in your materials selection and design process. Our Ashby charts are interactive with more technical data upon clicking. Sign up to get access to this premium feature for free.

Properties

General

Density

ρ

0.92 g/cm³ at 20 °C

Mechanical

Elastic modulus

E

0.2 - 0.48 GPa at 20 °C

Show Low Density Polyethylene (PE-LD) materials with Elastic modulus of 0.2 - 0.48 GPa at 20 °C

Elongation

A

100 - 1000 % at 20 °C

Show Low Density Polyethylene (PE-LD) materials with Elongation of 100 - 1000 % at 20 °C

Impact strength, Charpy unnotched Iunnot

no break

Tensile strength

Rm

6 - 17 MPa at 20 °C

Show Low Density Polyethylene (PE-LD) materials with Tensile strength of 6 - 17 MPa at 20 °C

at 15-25% strain

Thermal

Coefficient of thermal expansion

α

2.3E-4 - 2.5E-4 1/K at 20 °C

Flammability

UL 94 HB

Max service temperature, long

Tmaxlong

60 - 75 °C

Max service temperature, short

80 - 90 °C

Melting point

Tm

105 - 120 °C

Specific heat capacity

cp

2100 - 2500 J/(kg·K) at 20 °C

Thermal conductivity

λ

0.32 - 0.4 W/(m·K) at 20 °C

Electrical

Dielectric constant

εr

2.2 - 2.3 [-] at 20 °C

Electrical resistivity

ρel

1.00E+15 Ω·m at 20 °C

Optical

Transparency

no

Technological properties

Application areas

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

Processing methods

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

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.