Thermoseal Klingersil C-4433 Compressed Non-Asbestos gasket sheet is manufactured with a combination of fiberglass and aramid and inorganic fibers reinforced with a nitrile binder.


KLINGERSIL C-4433 is the ultimate steam sheet. It is excellent at higher temperatures and has outstanding load-bearing properties and excellent creep relaxation properties. This all-purpose utility sheet’s range of applications is expanded for most petroleum-based media such as lubrication and hydraulic oils, solvents, and natural gas.




KLINGERSIL C-4433 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 Operating Pressure with Liquids1,500 PSI*
Max Operating Pressure with Gases & Steam1,400 PSI*

*under suitable conditions

ASTM F104 Line Call Out:


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