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 Liquids

790°F *

Max Peak Temp with Gases & Steam

510°F *

Max Operating Pressure with Liquids

1,500 PSI *

Max Operating Pressure with Gases & Steam

1,400 PSI *


*under suitable conditions



ASTM F104 Line Call out: 





See the data sheet PDF in this folder




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