PROBLEM TO BE SOLVED: To provide a filament nonwoven fabric for body warmers that has flexibility, wear resistance, high strength, and excellent operability, and is inexpensive.SOLUTION: A filament nonwoven fabric for body warmers contains a surfactant, and has a KES flexural rigidity of 0.2 gf cm2/cm or less, a wear resistance of 3 grades or more, and a surface friction coefficient of 0.29 or less. There is also provided a disposable body warmer prepared therewith.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】柔軟性、耐摩耗性を有し、高強力であり、さらに、操業性が良く、低コストなカイロ用長繊維不織布の提供。【解決手段】界面活性剤を含有し、ＫＥＳ曲げ剛性が０．２ｇｆ・ｃｍ２／ｃｍ以下であり、耐摩耗性が３級以上であり、かつ、表面摩擦係数が０．２９以下であることを特徴とするカイロ用長繊維不織布、及びこれを用いた使い捨てカイロ。【選択図】なし
