company tower banner
Klinger Thermoseal Company Logo

Thermoseal C-4400

Thermoseal C-4400 is a universal material for a wide range of applications. This material is resistant to oils, water, steam, gasses, 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.

Polymer Name: Acrylonitrile Butadiene Rubber (NBR)

End Uses: Fuel Tanks, Gaskets, Pipe Seals

Features: Acid Resistant, Alcohol Resistant, Fuel Resistant, Hydrocarbon Resistant, Lubricant Resistant, Oil Resistant, Salt Water/Spray Resistant, Steam Resistant, Water Resistant

    Knowde Enhanced TDS

    Identification & Functionality

    Chemical Family
    Fillers Included
    Technologies

    Features & Benefits

    Applications & Uses

    Plastics & Elastomers End Uses

    Properties

    Typical Properties
    ValueUnitsTest Method / Conditions
    Compressibility 8 - 14 %ASTM F36J
    Creep relaxation (1/32")20%ASTM F38B
    Density100lb/ft ³ (1.6 g/cc ³)ASTM F1315
    Dielectric Strength21.6kV/mmASTM D149-95a
    Gas Permeability max. 0.5 ml/minDIN 3535/6
    KLINGER Hot Compression Test Thickness Decrease 572°F (23°C) additional20%
    KLINGER Hot Compression Test Thickness Decrease 73°F (23°C) initial14%
    Recovery min. 50%ASTM F36J
    Sealability max. 0.3 ml/hrASTM F37A (1/32")
    Thickness Increase ASTM F146 after immersion in ASTM Fuel B, 5h/73°F (23°C)0 - 10%
    Thickness Increase ASTM F146 after immersion in ASTM Oil IRM 903, 5h/300°F (149°C)0 - 5%