Air entraining agent is an important material of concrete. The mainly function is to improve anti-freeze endure of concrete greatly. In addition, it also can improve construct capability and other complex endure ability of concrete. CS100P of air entraining agent isnatural nonionic surface-active agent, the mainly component istriterpenoid saponin, dissolved water easily, and has strong chemicalsteadily with acid, alkali and rigidity water. Technical specification: 1. Appearance: Yellow Powder 2. Content for active parts: ≥60% 3. Package: packed in PP woven bag, 10kg/bag