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Thermoseal C-4401

Thermoseal 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.

Polymer Name: Acrylonitrile Butadiene Rubber (NBR)

End Uses: Fuel Tanks, Gaskets, Pipe Seals

Features: Chemical Resistant, General Purpose

    Knowde Enhanced TDS

    Identification & Functionality

    Chemical Family
    Fillers Included
    Technologies

    Features & Benefits

    Applications & Uses

    Plastics & Elastomers End Uses

    Properties

    Typical Properties
    ValueUnitsTest Method / Conditions
    Line Call OutF712121B3E12K6M5-ASTM F104
    Compressibility 7 - 14 %ASTM F36J
    Creep relaxation (1/32")20%ASTM F38B
    Density112lb/ft ³ (1.8 g/cc ³)ASTM F1315
    Dielectric Strength14kV/mmASTM D149-95a
    Gas Permeability max. 0.5 ml/minDIN 3535/6
    KLINGER Hot Compression Test Thickness Decrease 572°F (23°C) additional17%-
    KLINGER Hot Compression Test Thickness Decrease 73°F (23°C) initial14%-
    Leachable Chloride Content100ppmFSA Method
    Recovery min. 50%ASTM F36J
    Sealability max. 0.25 ml/hrASTM F37A (1/32")
    Thickness Increase ASTM F146 after immersion in ASTM Fuel A, 5h/73°F (23°C) 0 - 5%-
    Thickness Increase ASTM F146 after immersion in ASTM Fuel B, 5h/73°F (23°C)0 - 5%-
    Thickness Increase ASTM F146 after immersion in ASTM Oil IRM 901, 5h/300°F (149°C)0 - 5%-
    Thickness Increase ASTM F146 after immersion in ASTM Oil IRM 903, 5h/300°F (149°C) 0 - 10%-
    Weight increase ASTM F146 after immersion in Fuel B, 5h/73°F (23°C)max. 10%-