ePTFE Joint Sealant ASTM Test Results


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.