PET Properties

Physical, mechanical, thermal, electrical, and optical properties of PET

TYPICAL PROPERTIES
  UNITS ASTM TEST  
Tensile Strength psi D638 11,500
Flexural Modulus of Elasticity psi D790 400,000
Izod Impact (notched) ft-lbs/in of notch D256 0.7
Heat Deflection Temperature (66psi / 264psi) °F D648 240   175
Water Absorption
(Immersion 24 hours)
% D570 0.10

 

PHYSICAL PROPERTIES
  UNITS ASTM TEST  
Specific Gravity - D792 1.38
Water Absorption
(Immersion 24 hours)
% D570 0.10

 

MECHANICAL PROPERTIES
  UNITS ASTM TEST  
Tensile Strength psi D638 11,500
Tensile Modulus of Elasticity psi D638 400,000
Tensile Elongation % D638 70
Flexural Strength psi D790 15,000
Flexural Modulus of Elasticity psi D790 400,000
Compressive Strength psi D695 -
Hardness scale as noted D785, D2240 M93, R125, Shore D 87
Izod Impact ft-lbs/in D256 0.7

 

THERMAL PROPERTIES
  UNITS ASTM TEST  
Coefficient of Linear Thermal Expansion in/in/°F x 10-5 D696 3.9
Heat Deflection Temperature (66psi / 264psi) °F D648 240   175
Max Continuous Service Temperature In Air °F - 230

 

ELECTRICAL PROPERTIES
  UNITS ASTM TEST  
Dielectric Strength V/mil D149 400

 

OPTICAL PROPERTIES
  UNITS ASTM TEST  
Light Transmittance % D1003 -
Haze % D1003 -

 

OTHER
  UNITS ASTM TEST  
Coefficient of Friction - Dynamic 0.25

Values may vary according to brand name. Please ask your Curbell Plastics representative for more specific information about an individual brand.

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