LM-XR-2 phase change thermal storage material stores and releases heat through the conversion between solid and liquid phases. As a professional phase change heat storage material, it has high cycling stability, can be reused, is efficient and environmentally friendly, and will not cause leakage, volatilization and other problems during use. It is safe and reliable, and has a wide range of application prospects in energy-saving heating, industrial waste heat recovery, solar energy storage and other fields.