... good chemical stability, good compatibility, safe and efficient inorganic fire retardant with low toxin & smoke Application: mainly applied to high ... -grade expansile fireproof material, extensively applied to the retardant treatment of plastic (PP, PE, PVC, etc.), polyurethanepufoam, ... 80-800mesh% ≥90Thermal Decomposition Temperature ≥ 290Stacking Density: about0.7 Ammonium Polyphosphate (APP)