Thermoseal Klingersil C-4401

Thermoseal Klingersil C-4401:

Thermoseal Klingersil C-4401 is a universal gasket material for use in a wide range of applications. The general purpose gasket material has excellent sealability and chemical resistance.

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

Creep relaxation ASTM F38B : 20 %

Sealability ASTM F37A (1/32″) : < 0.25 ml/hr

Gas Permeability DIN 3535/6 : < 0.5 ml/min

Compressibility ASTM F36J 7-14 % : 7 – 14 %

Recovery ASTM F36J 50% Minimum : 50 % minimum

KLINGER Hot Compression Test

Thickness Decrease 73°F (23°C) : 14 % initial
Thickness Decrease 572°F (23°C) : 17 % 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) : 0 – 5 %
ASTM Oil IRM 903, 5h/300°F (149°C) : 0 – 5 %

ASTM Fuel A, 5h/73°F (23°C) : 0 – 5 %

ASTM Fuel B, 5h/73°F (23°C) : 0 – 10 %

Dielectric Strength ASTM D149-95a : 14 kV/mm

Density ASTM F1315 : 112 lb/ft ³ (1.8 g/cc ³)

Leachable Chloride Content FSA Method : 100 ppm

ASTM F104 Line Call Out : F712121B3E12K6M5

Color : Green or white

Typical Values Refer to 1/16" Thick Material Unless Noted

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":

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

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Thermoseal Klingersil C-4401