Superior performance gasket material suitable for the chemical industry
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.
This material is manufactured with carbon fibers and special heat-resistant additives and reinforced with a nitrile binder.
Typical Values Refer to 1/16" Thick Material Unless Noted
|Creep relaxation ASTM F38B (1/32")||20 %|
|Sealability ASTM F37A (1/32")||< 0.3 ml/hr|
|Gas Permeability DIN 3535/6||< 1.0 ml/min|
|Compressibility ASTM F36J||8 - 14 %|
|Recovery ASTM F36J||50 % minimum|
|KLINGER Hot Compression Test
Thickness Decrease 73°F (23°C)
Thickness Decrease 572°F (23°C)
12 % initial
10 % additional
|Weight increase ASTM F146 after immersion in
Fuel B, 5h/73°F (23°C)
10 % maximum
|Thickness Increase ASTM F146 after immersion in
ASTM Oil IRM 901, 5h/300°F (149°C)
ASTM Oil IRM 903, 5h/300°F (149°C)
ASTM Fuel A, 5h/73°F (23°C)
ASTM Fuel B, 5h/73°F (23°C)
0 - 5 %
0 - 3 %
0 - 5 %
0 - 5 %
|Dielectric Strength ASTM D149-95a||1.5 kV/mm|
|Density ASTM F1315||87 lb/ft ³ (1.4 g/cc ³)|
|Leachable Chloride Content FSA Method||200 ppm|
|ASTM F104 Line Call Out||F712122B3E11K6M5|
In area 2 appropriate measures are necessary for installation of the gasket to ensure maximum performance. Please call or refer to KLINGERexpert for assistance.
In area 3 do not install gaskets in these applications without first referring to KLINGERexpert or contacting Thermoseal Inc.'s technical support service.