①Dicumene is a highly effective, environmentally friendly flame retardant synergist recommended for extruded polystyrene insulation panels (XPS). ②This product can replace the traditional heavy metal synergist and significantly reduce the amount of heavy metal synergist (such as antimony trioxide Sb2O3). ③It can be used in flame retardant masterbatches of polypropylene and polyethylene. ④It can be used in flame retardant masterbatches of polypropylene and polyethylene.