Ink-like or cream-like exothermic composition, exothermic device made thereof and manufacturing method of exothermic device

摘要

The present invention relates to the use of an exothermic composition having, as essential components, a water absorptive polymer and/or tackifier, carbon component and/or metal chloride and features that the product is as a whole ink-like or cream-like in a method of manufacturing an exothermic device.