Materials

G5, G9

Product Description

G5/ G9 – Laminate sheet comprised of flame retardant melamine resin and a woven fiberglass glass substrate. It qualifies to NEMA G5/G9 and MIL-I-24768/1/8.

Typical Applications

This material has high strength and excellent arc resistance and electrical insulating properties which allows it to be used as mechanical support in electrical equipment, switchgear, and slot wedges where Class “B” insulation is required.

Typical Properties Typical Value Units
Physical Data
Specific Gravity 1.90
Water Absorption-.125″ < 0.70 %
Temperature Index 140 \ 284 °C \ °F
Rockwell Hardness 120 M scale
Bond Strength > 1700 \ 772 LBS \ kgs
Flexural Strength-LW-A-.125″ > 55,000 \ 380 PSI \ MPa
Flexural Strength-CW-A-.125″ > 38,000 \ 262 PSI \ MPa
Izod Impact Strength-LW > 10 ft-lbs/in
Izod Impact Strength-CW > 8 ft-lbs/in
Compressive Strength-Flatwise > 70,000 \ 483 PSI \ MPa
Electrical Data
Dielectric Breakdown-A > 60 kV
Dielectric Breakdown-D48/50 > 55 kV
Permittivity-A < 7.0
Arc Resistance-A > 180  SEC
Dissipation Factor-A 0.017
Dissipation Factor-D24/23 0.018

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