SAP is a highly water absorbent polymer which is a cross-linked poly (sodium acrylate),TL-SAP type is a polymer material with good water absorption and water-holding capacity.The SAP could absorb the water when available, and could releases the water gredually and slowly in dry atmosphere. It could absorb 400 to 500 times of the water than its own weight and has excellent water retention properties. Meanwhile, it is nontoxic and harmless to the environment and the plants.
