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Thermoseal C-4409

Thermoseal C-4409 has an expanded metal reinforcement. The galvanized low carbon steel insert makes this material suitable for conditions with high thermal and mechanical stress. C-4409 is excellent in hot gasses and can replace spiral wound gaskets in some applications. This material is manufactured with synthetic fiber reinforced with a nitrile binder.

Polymer Name: Acrylonitrile Butadiene Rubber (NBR)

End Uses: Fuel Tanks, Gaskets, Pipe Seals

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    Identification & Functionality

    Chemical Family
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    Applications & Uses

    Plastics & Elastomers End Uses

    Properties

    Typical Properties
    ValueUnitsTest Method / Conditions
    Line Call OutF712112B3E11M8ASTM F104
    Compressibility (1/32")6 - 12 %ASTM F36J
    Creep relaxation (1/32")20%ASTM F38B
    Density125lb/ft ³ (2.0 g/cc ³)ASTM F1315
    KLINGER Hot Compression Test Thickness Decrease 572°F (23°C) additional10%
    KLINGER Hot Compression Test Thickness Decrease 73°F (23°C) initial10%
    Recovery min. 50%ASTM F36J
    Thickness Increase ASTM F146 after immersion in ASTM Fuel A, 5h/73°F (23°C) 0 - 3%
    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 - 5%
    Weight increase ASTM F146 after immersion in Fuel B, 5h/73°F (23°C)max. 10%