Glass-Melamine Laminate (G-5, G-9)
Melamines are the hardest of the laminates with good dimensional stability and arc resistance. G-5 and G-9 are machining-grade glass fabrics that retain excellent electrical properties in high humidity conditions. Both are flame-resistant and have high physical strength, good caustic-resistance and excellent arc resistance.
G-9 is a better choice for outdoor applications as it offers more resistance to the elements than G-5.
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|Density||1.6e3 - 2e3||kg/m^3||0.0578 - 0.0723||lb/in^3 USD/lb|
|Yield Strength||2.76e7 - 5.79e7||Pa||4.0 - 8.4||ksi|
|Tensile Strength||3.45e7 - 7.24e7||Pa||5 - 10.5||ksi|
|Elongation||0.00558 - 0.00645||% strain||0.558 - 0.645||% strain|
|Hardness (Vickers)||8.14e7 - 1.71e8||Pa||8.3 - 17.4||HV|
|Impact Strength (notched)||3.2e3 - 9.5e4||J/m^2||1.52 - 45.2||ft.lbf/in^2|
|Fracture Toughness||2.16e6 - 6.47e6||Pa/m^0.5||1.96 - 5.89||ksi/in^0.5|
|Young's Modulus||1.1e10 - 1.65e10||Pa||1.6 - 2.39||10^6 psi|
|Max Service Temperature||141 - 157||°C||286 - 315||°F|
|Insulator or Conductor||Insulator||Insulator|
|Specific Heat Capability||1.19e3 - 1.23e3||J/kg °C||0.283 - 0.295||BTU/lb. °F|
|Thermal Expansion Coefficent||7.2e-5 - 8.1e-5||strain/°C||40 - 45||µstrain/°F|
|CO2 Footprint||3.67 - 4.06||kg/kg||3.67 - 4.06||lb/lb|
∗ 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