... EVA,PE,POE,PP,PVC,PET, rubber, advanced fireproofing coating and fiber materials. 1. Brief introductionAmmonium polyphosphate’s (APP) ... polymer, there's P-N collaboration effect because of high phosphorus and nitrogen content, so it has excellent fire retardant ... advanced expansive fireproofing dope.3,Applied in fiber material(paper, wood, fireproofing fabric and so on) 4,Applied in synthetic fiber ...