PHASE CHANGE MATERIAL

A phase change material and a process to prepare a phase change material. The process may comprise mixing, 54 to 64 wt% of Sodium Nitrate, 35 to 45 wt% of Potassium Nitrate, 0.05 to 0.5 wt% of Sodium Chloride, 0.05 to 0.8 wt% of Sodium Sulphate, 0.01 to 0.06 wt% of Calcium Oxide, 0.01 to 0.05 wt% of Magnesium Oxide, 0.02 to 0.15 wt% of Silicone Dioxide, 0.05 to 0.15 wt% of Aluminum Oxide, 0.01 to 0.025 wt% of Ferric Oxide and 0.04 to 0.65 wt% of Sodium Carbonate.