Used as flame retardant plasticizer in PC, PVC, PVA, CA, cab, CN, EC, epoxy, phenolic resin, nitrile resin, acrylic resin and vinyl resin, it has the advantage of low volatility, and has good cold resistance in PVC wallpaper, plate and film. It is a high-efficiency phosphate plasticizer with self extinguishing flame retardancy and economic benefits. It is suitable for products that pay special attention to safety, such as decorative furniture, objects in public transportation system, wall protection and wire protection.