G5 and G9 are composites of woven glass fabric combined with a melamine resin laminate. These composite materials are very hard, flame resistant machining grade with excellent electrical properties in high humidity conditions. These materials also have high physical strength and excellent arc resistance.
G5 conforms to MIL-I-24768/8, MIL-P15037 GMG and LP-509
G9 conforms to MIL-I-24768/1, MIL-P15037 GME and LP-509