Super Absorbent Polymer (sap) is a macromolecule material, which can sop up a great deal of water. It is innocuous and can sop up water and release water time after time, so in agriculture people called it a "mini-reservoir". At the same time, it can also absorb fertilizers, and pesticides and release them slowly, add their efficacy. Super absorbent polymer is widely used in agriculture, forestry, gardening, and construction materials. It is also widely used in industries products as petrochemicals, cables, paper, sensors, and fire fighting equipment, fiber products,

cosmetics, food preservation and water-inflatable toys. In medical treatment it can also be widely used in sanitary napkins, infant disposable diapers, adult incontinence pads, health and its ice cap, ice cushion, pledget for medicine and other fields.