Halogen free ire retardant dị ka APP, AHP, MCA na-enye nnukwu uru mgbe ejiri ya na rọba.Ọ na-eme dị ka ọkụ ọkụ na-arụ ọrụ nke ọma, na-eme ka ọkụ na-eguzogide ihe onwunwe.Ọzọkwa, ọ na-enyere aka melite n'ibu na thermal Njirimara plastic, na-eme ka ọ na-adịgide adịgide na-eguzogide okpomọkụ.