| abstract |
The present invention provides a puncture sealing agent that is excellent in storage stability, valve injection property, and liquid spreading property at low temperatures (-20 ° C. or lower). Puncture sealing containing a cationic surfactant and a nonionic surfactant, or a synthetic rubber latex, and a surfactant having a cationic portion and a nonionic portion in one molecule together with a synthetic rubber latex Agent. [Selection figure] None |