G10/FR-4 Glass Epoxy Properties

Physical, mechanical, thermal, electrical, and optical properties of G10/FR-4 glass epoxy

TYPICAL PROPERTIES
  UNITS ASTM TEST  
Tensile Strength psi D638 38,000
Flexural Modulus of Elasticity psi D790 2,400,000
Izod Impact (notched) ft-lbs/in of notch D256 12.0
Heat Deflection Temperature (66psi / 264psi) °F D648 -
Water Absorption
(Immersion 24 hours)
% D570 -

 

PHYSICAL PROPERTIES
  UNITS ASTM TEST  
Specific Gravity - D792 1.80
Water Absorption
(Immersion 24 hours)
% D570 -

 

MECHANICAL PROPERTIES
  UNITS ASTM TEST  
Tensile Strength psi D638 38,000
Tensile Modulus of Elasticity psi D638 -
Tensile Elongation % D638 -
Flexural Strength psi D790 60,000
Flexural Modulus of Elasticity psi D790 2,400,000
Compressive Strength psi D695 55,000
Hardness scale as noted D785, D2240 M115
Izod Impact ft-lbs/in D256 12.0

 

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 - 284

 

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

 

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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