This product is a new type of surfactant air-entraining agent, which is composed of air-entraining, foam stabilization and enhancement components. It has the characteristics of good air bleed effect and stable bleed air quality. Significantly improve the workability of concrete, reduce concrete bleeding, improve the pumpability of concrete mixture, reduce or avoid concrete cracks. Improve the impermeability and frost resistance of concrete, and improve the durability of concrete. It is widely used in important concrete projects with high durability requirements such as ports, water conservancy, hydropower, roads, railways, bridges, etc.