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Low Density Polyethylene (LDPE) is an economical option for many applications requiring low temperature flexibility, toughness, and durability.

LDPE is the least expensive, most flexible (more than HDPE), and has good clarity in film form. However, it has low temperature impact resistance and the least heat resistance with a maximum service temperature of 160° to 180°F. LDPE is also susceptible to stress cracking, especially by detergents. LDPE’s easy machinability makes it a good choice for fabricated parts where corrosion and chemical resistance is required, although it can be attacked by strong oxidizing acids. LDPE is available natural (milky white) and black (recommended for improved durability in direct sunlight or outdoor exposure). Some sizes are available in various colors.

Brand Names

  • Ethylux®
  • Nalgene®
  • Polystone® E
  • Pureline Resinol® Type A
  • Trovidor™ PO
  • Lo-Densetec Polypedic™

Emco Industrial Plastics doesn’t claim to represent all of the manufacturers or trade name products listed. This list is intended as a guide of typical materials available for purchase from Emco Industrial Plastics, Inc. For additional information, contact an Emco Industrial Plastics representative by filling out the form below.

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At a Glance

Generic Name
Low Density Polyethylene

Available In
Sheet, Rod, Tube, Film

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Technical Information

Stock Products Properties Applications Advantages

Stock Products

TypeSizeLengthColor
Sheet 1/16″ – 2″ TH Up to 48″ x 96″; CTS Natural
Rod 0.25″ – 12″ DIA Std. foot lengths; CTS Natural
Tube 0.125″ – 1″ ID; wall thickness and OD varies Std. foot lengths; CTS Natural
Film 0.004 – 0.006″ TH 36″ – 180″ roll width; Std. foot lengths; CTS Clear, Black

Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.

Properties

Physical PropertiesUnitsASTMResults
Density lb/in3 D792 0.033
Water Absorption, 24 hrs % D570 <0.01
Mechanical PropertiesUnitsASTMResults
Tensile Strength @yield psi D638 1,800 – 2,200
Tensile Elongation @Yield % D638 600
Hardness, Shore D D785 41 – 50
IZOD Impact Strength Notched ft-lb/in D256 No Break
Thermal PropertiesUnitsASTMResults
Coefficient of Linear Thermal Expansion (x 10-5 in./in./°F) D696 3
Heat Deflection Temp at 66 psi °F D648 120
Heat Deflection Temp at 264 psi °F 105
Melting Temperature °F D3418 230
Max Operating Temp °F 160
Flammability Rating UL94 NR
Electrical PropertiesUnitsASTMResults
Dielectric Strength V/mil D149 460 – 700, 1/8″ th.
Dielectric Constant D150 2.25 – 2.30@1 kHz
Dissipation Factor D150 0.0003 @1 kHz
Volume Resistivity, 50% RH ohm-cm D257 10^15
NOTE: The property values presented above are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.

Applications

  • Die, impact pads
  • Hinges
  • Orthotic, prosthetic devices
  • Chemical tanks, containers
  • Tubing

Advantages

  • Light weight
  • Good impact resistance
  • Extremely flexible
  • Chemical and corrosion resistant
  • Meets food handling guidelines
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