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Thermoseal Klingersil C-4400

Thermoseal Klingersil C-4400 :

Thermoseal Klingersil C-4400 is a universal material for a wide range of applications. This material is resistant to oils, water, steam, gases, salt solutions, fuels, alcohols, moderate organic and inorganic acids, hydrocarbons, lubricants, and refrigerants.

This material is manufactured with aramid fiber reinforced with a nitrile binder.

Creep relaxation ASTM F38B (1/32″) :  20 %
Sealability ASTM F37A (1/32″) :  < 0.3 ml/hr
Gas Permeability DIN 3535/6 :  < 0.5 ml/min
Compressibility ASTM F36J  : 8 – 14 %
Recovery ASTM F36J : 50 % minimum
KLINGER Hot Compression Test 
Thickness Decrease 73°F (23°C) : 14 % initial
Thickness Decrease 572°F (23°C) : 20 % additional
Thickness Increase ASTM F146 after immersion in
ASTM Oil IRM 901, 5h/300°F (149°C) : 0 – 5 %
ASTM Oil IRM 903, 5h/300°F (149°C) : 0 – 10 %
Dielectric Strength ASTM D149-95a : 21.6 kV/mm
Density ASTM F1315 : 100 lb/ft ³ (1.6 g/cc ³)
Leachable Chloride Content FSA Method : 200 ppm
Color : Green

The pressure/temperature graphs shown are the most current method of determining the suitability of a gasket material in a known environment. However, chemical compatibility must also be considered.

pT diagram for thickness 1/16":
Gases & Steam

In area 1 the gasket material is suitable using common installment practices subject to chemical compatibility

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 KLINGER Thermoseal’s technical support service.

Sheet Goods

From small squares to 50 foot long rolls we have a large stock of just about anything you need!

Flowlon Gasket by Flow Components USA
Flowlon Gasket by Flow Components USA
Flowlon Gasket by Flow Components USA

Not sure what sheet material is right for you? Give us a call.
We can answer your questions.