Thermoseal Klingersil C-4500 Compressed Non-Asbestos gasket sheet is manufactured with carbon fibers and special heat-resistant additives and reinforced with a nitrile binder. (Bl

KLINGERSIL C-4500 is a premium grade, high-pressure gasket material designed for use in high-temperature alkaline media and superheated steam. C-4500 is a superior performance material suitable in the pulp and paper industry and the chemical industry.


KLINGERSIL C-4500 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

850°F *

Max Peak Temp with Gases & Steam

540°F *

Max Operating Pressure with Liquids

1,900 PSI *

Max Operating Pressure with Gases & Steam

1,900 PSI *


*under suitable conditions




ASTM F104 Line Call out: 






See the data sheet PDF in this folder


1335 West 11th Street, Long Beach, CA 90813-2714

Phone: 562-435-2411 | Fax: 562-436-2140

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