TM 1-1500-204-23-6
Table 5-1. Identification of Plastic Materials - CONT
Commercial
Current
designation
specification
Form
Grade and Intended use
Plastic Rods and
Special Precautions are Taped or
Tubes,
Machines Parallel to Lamination.
Thermosetting,
Type FBE-Better Electrical Prop-
Laminated
erties Than BFG, Some Sacrifice
- continued
in Toughness Suitable for Fine
Machining Operations
Type FBG-Fairly Good Dielectric
Properties, Medium Dielectric
Loss, Good Degree of Mechanical
Strength, Particularly Toughness
Type FBM-For Structural Not
Electrical Applications. For Use
Where Electrical Properties Have
Been Greatly Subordinated to the
Required Mechanical Properties.
TYPE GMG-Mechanical Applications
Requiring Good Resistance to Heat,
Flame, and Arching Conditions.
Plastic Sheet,
MIL-P-80
Sheets
Glass - Heat-Resistant.
Acrylic Base,
or Win-
Antielectro-
dows
static,Trans-
Cut
parent, (For
From
Indicating-
Sheets
Instruments
Windows)
5-5/(5-6 blank)