Thermoseal's KLINGERSIL C-4401 ring gasket is a compressed fiber material with excellent chemical and sealability characteristics while being reasonably priced. C-4401 is manufactured from synthetic fibers with a Nitrile binder system.
Composition Aramid/ NBR
Density 112lb./cu. Ft.
Service temperature 100 to 750’F
Compressibility (after 1 hour at 210’ F) - 7%
Creep relaxation 50%
Thickness increase ASTM F146 ASTM Oil Fuel B) - 0-7%
Thickness increase ASTM F146 (Oil IRM 903, 5hr, 302’F) 0-5%
Weight Increase ASTM F146 (ASTM OIl Fuel B, 5hrs, 70’F) - 10%