foams

-Paper base phenolic laminate
-Good mechanical properties
-High dielectric strength
-Good resistance to moisture
-Most economically priced

-Recommended for
-most mechanical applications
-use at radio frequencies
-in high humidity situations
Spec: MIL-I-24768/10, Type PBE

-A course weave cotton fabric base phenolic laminate
-Greater mechanical strength than Grade XXX
-Strong, tough, high impact strength
-Machines readily
Spec: MIL-I-24768/14, Type FBG

-A fine weave cotton fabric base phenolic laminate
-Finer surface texture and better machinability than Grade CE
-Low in moisture pick-up and dissipation factor
-Excellent in all electrical properties
-Can be machined easily and cleanly to very close tolerances
-Recommended for use when need for good mechanical properties and excellent electrical characteristics
Spec: MIL-I-24768/13, Type FBE

-A continuous woven glass fabric laminated with a melamine resin
-Good mechanical properties
-High resistance to
-flame
-heat
-arcing
-most strong alkali solutions
-Recommended where good mechanical properties are needed under wet conditions
Spec: MIL-I-24768/1, Type GME

-Continuous woven glass fabric laminated with an epoxy resin
-Exhibited over wide range of temperatures and humidity’s
-High mechanical strength
-Low water absorption and dissipation factors
-Superior electrical characteristics
-recommended in parts where strength to size ratio is critical
Spec: MIL-I-24768/27, Type GEE-F

-Similar in composition and properties to Grade G-10
-more suitable for continuous use at elevated temperatures
-Retains at least 50% of its structural strength at continuous operating temperatures in excess of 300*F 
Spec: MIL-I-24768/3, Type GEB

-A continuous glass fabric laminated with a silicone resin
-Unequalled for high heat and arc resistance applications
-Unequalled where good mechanical and electrical properties must be exhibited in humid conditions over 425*F
Spec: MIL-I-24768/17, Type GSG