Thermoseal Klingersil C-4401 (Green Sheet)

Thermoseal KLINGERSIL C-4401 Compressed Non-Asbestos gasket sheet of synthetic fibers with a nitrile binder. (Green Sheet)

A versatile oil and chemical resistant utility gasket sheet suitable for light to medium loading.



  • Suitable for low operating pressure in transformers, compressors, and similar equipment.
  • Good for low surface pressure components like valve covers, pans, and internal combustion engines.
  • Oil resistant
  • Excellent Sealability


Compatible With:

  • Water
  • Oils
  • Gasoline




KLINGERSIL C-4401 Gasket Sheets are available in these sizes:


1/64” X 60” X 60”

1/32” X 60” X 60”

1/16” X 60” X 60”

3/32” X 60” X 60”

1/8”   X 60” X 60”


Note: Other thicknesses and sheet sizes may be available by special order.



Max Peak Temp

750°F *

Max Continuous Temp

400°F *

Max Continuous Temp w/Steam

300°F *

Max Operating Pressure

1,400 PSI *


*under suitable conditions


ASTM F104 Line Call out: 




Thermoseal Klingersil C-4401 Resource Page

1335 West 11th Street, Long Beach, CA 90813-2714

Phone: 562-435-2411 | Fax: 562-436-2140

Open to the Public Monday - Friday 8 am - 5 pm