Thermoseal Klingersil C-5400 Compressed Non-Asbestos gasket sheet is manufactured with synthetic fibers reinforced with a neoprene binder. (Black or White Sheet)


KLINGERSIL C-5400 gasket material is a high performance premium sheet that is chemically stable and provides excellent sealability in many applications including refrigerants, oils, gas, and fuels.


  • Oil resistant

Compatible With:

  • Oils
  • Gases
  • Fuels
  • Refrigerants


KLINGERSIL C-5400 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 Liquids730°F*
Max Operating Pressure with Liquids1,150 PSI*
Max Operating Pressure with Gases & Steam1,200 PSI*

*under suitable conditions

ASTM F104 Line Call Out: