The G5 is a woven glass fabric combined with a melamine resin laminate. It is a very hard, flame resistant machining grade with excellent electrical properties in high humidity conditions. This material also has high physical strength and excellent arc resistance. Maximum temperature : 284°F.
It is used to make switchboard panels, arc barriers, circuit breaker parts and structural/electrical components.
|Tensile strength (psi)||44 000 / 34 000|
|Flexural strength (psi)||61 100|
|Compressive strength (psi)||70 000|
|Hardness, M Scale||115|
|Bonding strength (lbs)||1900|
|Shear strength (psi)||18.000|
|Dissipation factor @ 1 MHz||0.015|
|Electric strength - volt / 1000||540|
|Temperature||140 °C (284°F)|
|Coeff. Thermal Exp. In/In/°C x 10¯6||15|
|Water absorption %||0.6|