| Abbreviation | BUTYL |
| Common Name | Butyl |
| ASTM D-2000 classification | AA, BA |
| Military(Mil-Std417) | RS |
| Chemical Definition | Isobutylene Isoprene |
| General Characteristics | |
| Durometer-Range (Shore A) | 40-90 |
| Tensile Range (P.S.I) | 500-3000 |
| Elongation (Max.%) | 850 |
| Compression Set | Fair to Good |
| Resilience-Rebound | Fair |
| Abrasion Resistance | Fair |
| Tear Resistance | Good |
| Solvent Resistance | Poor |
| Oil Resistance | Poor |
| Low Temperature Usage (°F) | -10° to -60° |
| High Temperature Usage (°F) | to 250° |
| Aging Weather-Sunlight | Excellent |
| Adhesion To Metals | Good |