PUNCTURE SEALING AGENT AND METHOD FOR MENDING PUNCTURE

PROBLEM TO BE SOLVED: To provide a puncture sealing agent which reduces injection volume into a tire, has excellent storage stability and can seal a puncture hole even in a small amount. SOLUTION: The puncture sealing agent comprises aggregate powder of capsules containing at least an elastomer. The capsules preferably contain a dispersion in which the elastomer is dispersed and the elastomer is preferably at least one selected from the group consisting of natural rubber, synthetic rubbers and synthetic resins. Capsule shells of the capsules preferably comprise a resin and the resin is preferably a urethane resin. The outside diameter of the capsules is preferably smaller than the inside diameter of a tire valve and is preferably smaller than the inside diameter of a tire valve core. COPYRIGHT: (C)2011,JPO&INPIT