Materials

G3

Product Description

G3 – Laminate sheet comprised of a phenolic resin binder and woven fiberglass substrate. It qualifies to NEMA G-3 and MIL-I-24768/18.

Typical Applications

This material has good heat resistance, high mechanical strength and low thermal expansion. It finds applications in motor slot insulation, valve plates, and other applications requiring good thermal insulation characteristics.

Typical Properties Typical Value Units
Physical Data
Specific Gravity 1.85
Water Absorption-.125″ < 2.0 %
Temperature Index 170 \ 338 °C \ °F
Rockwell Hardness 110 M scale
Bond Strength > 850 \ 386 LBS \ kgs
Flexural Strength-LW-A-.125″ > 40,000 \ 276 PSI \ MPa
Flexural Strength-CW-A-.125″ > 30,000 \ 207 PSI \ MPa
Izod Impact Strength-LW > 9 ft-lbs/in
Izod Impact Strength-CW > 7 ft-lbs/in
Compressive Strength-Flatwise > 50,000 \ 345 PSI \ MPa
Electrical Data
Dielectric Breakdown-A > 50 kV

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