The amco soaking material is consisted of crystalline sodium carbonate (Na2CO3.10H2O), crystalline sodium sulphate (Na2SO4.10H2O), urea, potassium sulphate (K2SO4), water and cystallization agent. It has good heat-retaining proporty and the raw materials are easy to get. The cost is low. It is non-toxic and non-corrosive, does not pollute the environment when producing. The product can be used circulatively in several years. It is suitable to be used in heating of various green house in winter, the energy resources are saved. |