... Accord with EU Rosh 3.MOQ:diferent 1. Brief Introduction: Ammonium polyphosphate(APP) molecular formula(NH4PO3)n, n>50, water-solubility ... chain polymer, there’s P-N collaboration effect because of high phosphorus and nitrogen content, so it has excellent fire ... expansive fireretardant coating, which can be used as fireproofing in high architecture, shipping, train, cable.2) Used in fire retardant ...