LATENT HEAT STORAGE MATERIAL COMPOSITION

摘要

PROBLEM TO BE SOLVED: To obtain a latent heat storage material enabling its melting temperature to simply and conveniently be controlled by using a specific manganese nitrate hydrate. SOLUTION: This latent heat storage material composition comprises a manganese nitrate hydrate having a composition represented by the general formula Mn(NO3)2.nH2O ((n) is 3 to 7) as a principal ingredient and the melting temperature of the latent heat storage material composition is preferably controlled by adding 0.1-30 pts.wt. of a metal chloride (e.g. lithium chloride).