The results for two of the most commonly performed ASTM Tests relevant to Gasketing Materials are provided below:
TYPICAL PROPERTIES OF PHILLIPS SCIENTIFIC VS. LEADING BRAND EXPANDED PTFE JOINT SEALANT
| TEST | Phillips Scientific* |
Leading Brand** |
| Compressability % (ASTM F-36) |
61-79 | 55-80 |
| Creep Relaxation % (ASTM F-38) |
40-45 | 40 |
*Test based on 1/4″ Phillips Scientific Expanded PTFE Joint Sealant performed by an independent test lab.
**Results of Leading Brand 1/4″ Joint Sealant Testing obtained from internet web page.