Unfilled Polyethylene Terephthalate (PET)
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Poly(ethylene terephthalate) (PET)
 

Thermo-Physical Properties

PROPERTYUNITVALUE / RANGE
Melting Point °C255
Density g mL-1 1.35 - 1.40
Coefficient of Thermal Expansion x 10-5cm / (cm °C) 6 - 7
Heat Deflection Temperature, 0.5 MPa °C 80
Heat Deflection Temperature, 1.8 MPa °C 116
Thermal ConductivityW / mK 0.15 - 0.24
Rockwell Hardness,  M/R Scalen/a R125 / M93
    
 

Mechanical Properties at 23 °C

PROPERTY UNITVALUE / RANGE
Tensile Strength, Yield at 23 C MPa 60 - 85.5
Tensile Strength, Break at 23 C MPa  
Elongation, Yield %  
Elongation, Break % 20
Tensile Modulus at 23 CMPa 2800 - 3170
Flexural Strength, Yield MPa 125
Flexural Modulus  MPa 3380
Compressive Strength MPa70
Izod Notched J / m 1.6 - 22.7
Izod Unnotched J / m  
 

Electrical Properties

PROPERTY UNITVALUE / RANGE
Volume Resistivity
Ohm-cm> 1013
 Dielectric Strength V/mm x 104 5.0
Dielectric Constant @ 1 MHz n/a 3.4 - 3.7
Dissipation Factor @ 1 MHz n/a, x 10-4 0.02
 

Other Properties

PROPERTY UNITVALUE / RANGE
Processing Temperature
°C  
Mold Shrinkage %  
Continuous Service Temperature °C 100
Water Absorption, 24 hr. Immersion% 0.07 - 0.1
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