What is water retaining agent

Retaining agents using high water-absorbent resin, it is a kind of water  absorbing capacity particularly strong functional polymer  materials. Harmless, repeatedly releasing water, absorb water, agriculture  people compare it to " micro-reservoirs ". Meanwhile, it also can absorb fertilizers, pesticides, and  slow-release, increased efficiency and efficacy. High water-absorbent  resin is widely used in agriculture, forestry, horticulture, building materials ; In industry can be widely used in petroleum, chemical, cables, paper,  sensors, fire-fighting appliances, fiber products, cosmetics, toys, food  preservation, expansion, and so on.