| STRENGTHENING FEATURE MATERIAL | PAPER |
| MATERIAL | PLASTIC PHENOLIC AND |
| PAPER |
| MATERIAL DOCUMENT AND CLASSIFICATION | L-P-513, TYPE PBG FED SPEC 1ST MATERIAL RESPONSE |
| NONMETALLIC HARDNESS RATING | 83.0 MINIMUM ROCKWELL M AND |
| 116.0 MAXIMUM ROCKWELL M |
| MINIMUM TENSILE STRENGTH | 7800 POUNDS PER SQUARE INCH |
| FLEXURAL STRENGTH | 12500 POUNDS PER SQUARE INCH |
| FABRICATION METHOD | NOT SPECIFIED |
| MATERIAL TRANSPARENCY | OPAQUE |
| LENGTH | 37.000 INCHES MINIMUM AND |
| 50.000 INCHES MAXIMUM |
| WIDTH | 29.500 INCHES MINIMUM AND |
| 38.000 INCHES MAXIMUM |
| THICKNESS | 0.312 INCHES NOMINAL |
| NONDEFINITIVE SPEC/STD DATA | PBG TYPE |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY THE LENGTH AND WIDTH |
| PROTECTIVE COVERING MATERIAL | PAPER |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | LP513 |