Pyrophosphate piperazine is a new type of environment- friendly flame retardant with P-N synergies. As an additive flame retardant, used in polyolefin and EPDM and TPE, it has drawn public attention because of its environment-friendly and efficiency. The polyolefin with pyrophosphate piperazine flame retardant have no halogen elements and heavy metals, and have low density, low smoke and other features. The flame retardant propertycompatibleness and Resistance to precipitate of our new pyrophosphate piperazine has been improved significantly, and we launched a series of products such as JNP-2-3JNP-2-6 and JNP-2-8.