This product is an additive nano-scale flame retardant with good processing fluidity, excellent thermal stability and light stability. It solves the shortcomings of traditional flame retardant such as high density, high cost, serious deterioration of physical properties and poor compatibility with resin caused by large amount of additives. It is one of the preferred flame retardant products for PE foamed new materials and recycled materials on the market. This product can also be used as flame retardant for radiation irradiated foamed sheets. This product fully meets the latest European Union Environmental Protection Standard (SVHC).