| ENVIRONMENTAL PROTECTION | COMPRESSION AND COMPRESSION AND FIRE RESISTANTFIRE RESISTANT |
| FABRICATION METHOD | CELLULAR, EXPLODEDCELLULAR, EXPLODED |
| LENGTH | 36.000 INCHES NOMINAL36.000 INCHES NOMINAL |
| MATERIAL | RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR |
| NONDEFINITIVE SPEC/STD DATA | MEDIUM CLASS AND MEDIUM CLASS AND 2 COMPOSITION AND 2 COMPOSITION AND A GRADE AND A GRADE AND II TYPEII TYPE |
| SPECIAL FEATURES | SMOOTH FINISHSMOOTH FINISH |
| WIDTH | 36.000 INCHES NOMINAL36.000 INCHES NOMINAL |
| SURFACE CONDITION | POROUS BOTH SIDESPOROUS BOTH SIDES |
| THICKNESS | 0.750 INCHES NOMINAL0.750 INCHES NOMINAL |