Piperazine pyrophosphate (PAPP) is a new environmentally friendly flame retardant. The domestic market is currently in the promotion stage.

piperazine pyrophosphate (papp), also known as piperazine polyphosphate (focused piperazine phosphate), is a halogen-free, environmentally friendly intumescent flame retardant designed with phosphorus and nitrogen as the main flame retardant element. the appearance of piperazine pyrophosphate is white or off-white crystal powder. it has the characteristics of high carbon-forming efficiency, good thermal stability, low smoke and…