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Materials

Thermosets

G-3 is a a good choice for fabricated parts to be used in low-moisture environments

Glass Cloth Phenolic Resin (G-3)

  • Excellent flexural and impact strength
  • Superior creep and heat resistance
  • Useful in low-moisture applications

Characteristics

G-3 is a woven glass fabric with high-temperature phenolic resin. It has excellent flexular, compressive and impact strength. It also offers excellent heat and creep resistance. It should only be used in low-moisture applications.

Applications

  • Relays
  • Switches
  • Test boards
  • Panels
  • Gaskets

Questions?

Our application engineers can help. With decades of experience in plastic material selection, we'll help you choose the optimal plastic for your application and budget.

 

To compare
the cost of this material to other thermosets, click here.

General Material Properties

Property   Metric units   English units
General    
Density   1.7e3 - 2e3 kg/m^3   0.0614 - 0.0723 lb/in^3 USD/lb
Mechanical    
Yield Strength   2.17e8 - 5.2e8 Pa   31.5 - 75.4 ksi
Tensile Strength   2.17e8 - 5.2e8 Pa   31.5 - 75.4 ksi
Elongation   0.0055 - 0.0191 % strain   0.55 - 1.91 % strain
Hardness (Vickers)   8.14e7 - 1.46e8 Pa   8.3 - 14.9 HV
Impact Strength (notched)   3e3 - 9.3e4 J/m^2   1.43 - 44.3 ft.lbf/in^2
Fracture Toughness   5.57e7 - 1.34e8 Pa/m^0.5   50.7 - 122 ksi/in^0.5
Young's Modulus   2.72e10 - 3.94e10 Pa   3.95 - 5.71 10^6 psi
Thermal    
Max Service Temperature   190 - 210 °C   374 - 410 °F
Insulator or Conductor   Insulator   Insulator
Specific Heat Capability   1.04e3 - 1.16e3 J/kg °C   0.248 - 0.278 BTU/lb. °F
Thermal Expansion Coefficent   7.2e-6 - 1.8e-5 strain/°C   4.0 - 10 µstrain/°F
Eco    
CO2 Footprint   13.3 - 14.7 kg/kg   13.3 - 14.7 lb/lb
Recycleable   No   No

The information on this page is intended as general guidance only and is only accurate at the time of posting (see date below). Specific material properties vary by manufacturer. Please contact a Dielectric application engineer for help in choosing the optimal material for your application and budget.

Posting Date: September 10, 2012