Phase Change Material (PCM) is an ideal product for thermal management. It is used for storing and releasing energy. The process of changing physical properties is called a phase change process, in which a large amount of latent heat is stored or released by the phase change material. 

Nowadays the Phase Change Material is widely used in human life, it becomes the one of the best energy-saving and environmental protection carrier.

For more information: 

http://chinapcm.en.alibaba.com