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G10 Specs

        G10, FR4
    Units ASTM Test Method Glass cloth Reinforced Epoxy
MECHANICAL Strength to Weight Ratio ksi -  
Specific Gravity @73 F - D792 1.82
Tensile Strength @73 F, (ult)/(yld) psi D638 40000
Tensile Modulus of Elasticity @ 73 F psi D638 -
Tensile Elongation at Break @ 73 F % D638 -
Flexural Strength @ 73 F psi D790 55000
Flexural Modulus of Elasticity @ 73 F psi D790 2700000
Shear Strength @ 73 F psi D732 19000
Compressive Strength, (% Deformation) @73 F psi D695 60000 (10)
Compressive Modulus of Elasticity @73 F psi D695 -
Hardness, Rockwell, Scale as noted @73 F - D785 M110
Hardness, Durometer, Shore D @73 F - D2240 -
Izod Impact, (Notched) @73 F ft-lb/in of notch D256 TypeA 7.0
Coefficient of Friction, (Dry vs. Steel) Dynamic - - -
Limiting PV, (with 4 to 1 factor of safety applied) psi-ft/min - -
THERMAL Coefficient of Linear Thermal Expansion @73 F in/in/F E-831 (TMA) -
Heat Deflection Temperature @ 264 psi F D648 -
Tg-Glass transition temperature, (Amorphous) F D3418 -
Melting Point, (VS=Vicat Softening Temp.) F D3418 -
Continuous Service Temperature in Air, (Max.) F - 285
Thermal Conductivity BTU-in/hr-ft2-F - -
ELECTRICAL Dielectric Strength, Short Term Volts/mil D149 400
Volume Resistivity ohm-cm D257 -
Dielectric Constant @ 10E6 Hz - D150 5.2
Dissipation Factor @ 10E6 Hz - D150 0.025
Flammability @ 3.1 mm unless noted - UL94 V-O
H20 Water Absorbtion, Immersion, 24 Hrs % by wt. D570(7) 0.10
Water Absorbtion, Saturation % by wt. D570(7)

 

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