Acronal@ S 400 F ap is mainly used for two-component, flexible polymer modified cementitious waterproof coatings, for a wide range of cement adaptability, easy to formulate a good flexibility, anti-cracking properties of waterproof coatings to meet the requirements of the JG/T984 standard. acronal@ S 400 F ap has a high solid content and low viscosity characteristics, and good compatibility with all types of fillers, good compatibility. Formulation is simple and flexible. In particular, AcronalR S 400 F ap has a wide range of adaptability to various applications, such as crack repair, waterproofing putty, interface agent, etc.