Thermoseal Klingersil C-4201 Compressed Non-Asbestos gasket sheet of synthetic fibers reinforced with a nitrile binder (Black or White Sheet)

KLINGERSIL C-4201 is a general application gasket material that offers excellent resistance to oils and solvents and is an excellent choice for OEM applications.



  • Oil resistant
  • Excellent Sealability

Compatible With:

  • Water
  • Oils
  • Solvents
  • Low temperature steam
  • Other chemical products in general


KLINGERSIL C-4201 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.

Specifications (for 1/16” thick sheet):

Max Peak Temp with Liquids450°F*
Max Peak Temp with Gases & Steam390°F*
Max Operating Pressure with Liquids450 PSI*
Max Operating Pressure with Gases & Steam375 PSI*

*under suitable conditions

ASTM F104 Line Call Out: