Phase-change material 1.melting point 20, 2.enthalpy of phase change j/g, 140min, 3.NP Normal paraffin content,%, 75min. Phase-change material1.melting point 20,2.enthalpy of phase change j/g, 140min,3.NP Normal paraffin content,%, 75min.Please contact: +86-13553113622 Phase-change material PCM