RK-972 is additive flame retardant,it has the advantage of low dosage,good flame retardant effect, little influence on the physical properties of materials,good thermostability and Uv stability. Mainly used for EPS,XPS polypropylene and other styrol resin.The RK-972 has better flame retardant efficiency than brominated aromatic flame retardants.It can make the processing equipment more safety, products more outstanding performance,especially more appropriate for plastic products with high processing temperature.The RK-972 is excellent alternative of HBCD.