Thermoseal Klingersil C-4430 Compressed Non-Asbestos gasket sheet is manufactured with a combination of aramid fiber and fiberglass reinforced with a nitrile binder. (Green/White S

Thermoseal Klingersil C-4430 is a universal gasket material, suitable for a wide range of applications. C-4430 is resistant to water and steam at higher temperatures as well as oils, gases, salt solutions, fuels, alcohols, moderate organic and inorganic acids, hydrocarbons, lubricants, and refrigerants.



Compatible With:

  • Water
  • Steam
  • Oils
  • Gases
  • Fuels
  • Alcohols
  • Moderate organic and inorganic acids
  • Hydrocarbons
  • Lubricants
  • Refrigerants
  • Salt solutions


KLINGERSIL C-4430 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 Liquids790°F*
Max Peak Temp with Gases & Steam510°F*
Max Operating Pressure with Liquids1,550 PSI*
Max Operating Pressure with Gases & Steam1,400 PSI*

*under suitable conditions

ASTM F104 Line Call Out:


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