Foot Warming Heat Generating Body and Process for Producing Foot Warming Heat Generating Body

摘要

To provide a foot warming heat generating body having excellent shape holding properties and capable of continuing the heat generation over a long period of time by using a heat generating composition having excellent shape holding properties and capable of causing the heat generation without necessity of the removal of water such as water absorption and dehydration by a substrate after molding.;The foot warming heat generating body is characterized in that a heat generating composition molded body made of a heat generating composition which contains, as essential components, an exothermic substance, a carbon component, a reaction accelerator and water, has a water mobility value showing a surplus water content of from 0.01 to 20, with the water in the heat generating composition not functioning as a barrier layer, and is capable of causing an exothermic reaction upon contact with air is laminated on a substrate; a covering material is put thereon; the periphery of the heat generating composition molded body is sealed; the heat generating composition molded body has a shape retaining degree of 70 or more; and at least a part of the substrate or the covering material has permeability to air.