P-N Intumescent Flame Retardant IFR-P100A for PP Holagen free P-N Intumescent Flame Retardant for PP INTRODUCTION: IFR-P100A, is a kind of halogen free environmentally friendly flame retardant with N and P, non-APP based system. IFR-P100A has higher thermal stability and higher decomposition temperature. Besides, it can easy get processed. PP with IFR-P100A can pass the tests of UL94 V-0 (0.75mm), 70℃×168hrs water-immersion (UL746C); besides, it can also pass the tests of