LDPE
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Low-Density Polyethylene (LDPE)

 

Thermo-Physical Properties

PROPERTY UNIT VALUE / RANGE 
Melting Point °C105 - 123
Density g mL-1 0.90 - 0.92
Coefficient of Thermal Expansion x 10-5cm / (cm °C) 2.0
Heat Deflection Temperature, 0.5 MPa °C 43 - 55
Heat Deflection Temperature, 1.8 MPa annealed (unannealed) °C  
Thermal ConductivityW / mK 0.35
Shore Hardness,  D Scale n/a 45 - 55
    
 

Mechanical Properties at 23 °C

PROPERTY UNITVALUE / RANGE
Tensile Strength, Yield at 23 C MPa 7.0 - 16
Tensile Strength, Break at 23 C MPa 32 - 60
Elongation, Yield % 200 - 750
Elongation, Break % 450 - 810
Tensile Modulus at 23 CMPa 120- 550
Flexural Strength, Yield MPa  
Flexural Modulus  MPa  
Compressive Strength MPa 
Izod Notched J/m  (kJ/m2) 475
Izod Unnotched J/m No Break
 

Electrical Properties

PROPERTY UNITVALUE / RANGE
Volume Resistivity
Ohm-cm  6 x 1015
 Dielectric Strength V/mm x 104 1.9 - 3.5
Dielectric Constant @ 1 MHz n/a 2.2 - 2.4
Dissipation Factor @ 1 MHz n/a 0.0001 - 0.0005
 

Other Properties

PROPERTY UNITVALUE / RANGE
Processing Temperature
°C160 - 200
Linear Mold Shrinkage cm/cm 0.017
Continuous Service Temperature °C 40 - 70
Water Absorption, 24 hr. Immersion% 0.01 - 0.03
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