Halogen free flame retardant V0 PP is a kind of Intumescent Flame Retardant PP which plays a role by phosphorus nitrogen elements. The intumescent flame retardant contains three effective components: acid source, gas source and carbon source, which play a role through condensed phase. The heat-insulating foam layer works together with the oxygen-proof carbon layer to reduce the temperature and oxygen concentration of the surface layer and prevent combustion, so as to play the role of flame retardant.
