Provided is a sealant material composition that can ensure good sealing properties while suppressing a flow of a sealant during travel and that can provide such performance in a well-balanced, compatible manner. As a sealant material composition constituting a sealant layer (10) disposed in an inner surface of a pneumatic tire, a sealant material composition in which a proportion (A) of toluene insoluble occupying the sealant material composition is from 30 mass % to 60 mass % is used, or a sealant material composition in which a ratio (d1/d2) of measured specific gravity (d1) of the sealant material composition measured by an underwater replacement method to calculated specific gravity (d2) of the sealant material composition calculated from specific gravity and a blended amount of each raw material in the sealant material composition is from 0.7 to 0.9 is used.


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    Titel :

    Sealant material composition


    Beteiligte:

    Erscheinungsdatum :

    24.06.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS



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