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.


Technical Data

Specific gravity 1.85
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
Flammability rating V-O
Temperature 140 °C (284°F)
Coeff. Thermal Exp. In/In/°C x 10¯6 15
Water absorption % 0.6
N.B. The information, details and values indicated are to the best of our knowledge. We recommend to conduct tests according to local conditions. The data is subject to some variations without notice.