LYT-BPS has excellent thermal stability and excellent fluidity. Its high flame retardancy, thermal stability, light stability and good electrical properties and other mechanical, physical and chemical properties make it have good compatibility with engineering plastics, no precipitation, no migration, no frost, and strong antistatic ability. Etc. In addition, it has good dispersibility and compatibility in high polymers, is easy to process, and has minimal impact on the mechanical properties of the material. It is widely used in engineering plastics such as PBT, PET, and PA.