TPE Properties

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

TPE (thermoplastic elastomer) is a lightweight, flexible, and fatigue resistant sheet which is a combination of rubber and polypropylene. It provides more flexibility than polypropylene or copolymer, but more rigidity than LDPE. Because of its rubber content, TPE is more heat resistant requiring heating to a higher temperature than polypropylene for thermoforming.

TPE is commonly used in the O&P market for AFOs, spinal orthoses, scoliosis jackets, and body jackets. Please ask your Curbell Plastics representative for more specific information.

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For a glossary of terms, see our Plastic Properties Descriptions.

 

TYPICAL PROPERTIES
  UNITS ASTM TEST  
Tensile Strength psi D638 1,740
Flexural Modulus of Elasticity psi D790 -
Izod Impact (notched) ft-lbs/in of notch D256 -
Heat Deflection Temperature (66psi / 264psi) °F D648 -
Water Absorption
(Immersion 24 hours)
% D570 -

 

PHYSICAL PROPERTIES
  UNITS ASTM TEST  
Specific Gravity - D792 0.95
Water Absorption
(Immersion 24 hours)
% D570 -

 

MECHANICAL PROPERTIES
  UNITS ASTM TEST  
Tensile Strength psi D638 1,740
Tensile Modulus of Elasticity psi D638 -
Tensile Elongation % D638 31
Flexural Strength psi D790 -
Flexural Modulus of Elasticity psi D790 -
Compressive Strength psi D695 -
Hardness scale as noted D785, D2240 -
Izod Impact ft-lbs/in D256 -

 

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

 

ELECTRICAL PROPERTIES
  UNITS ASTM TEST  
Dielectric Strength V/mil D149 889

 

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

 

OTHER
  UNITS ASTM TEST  
Coefficient of Friction - Dynamic -

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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