Ammonium polyphosphate (APP)
CAS No.: [68333-79-9]
Polymerization degree: n > 1000
Specification:
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Appearance: white powder
P: 31% min.
N: 14% min.
Decomposition temperature: 275°C min.
Density (25°C), g/cm3: approx. 1.9
Bulk density (25°C), g/cm3: approx. 0.7
Water solubility (25°C), g/100 ml H2O: 0.5 max.
Average particle size, micron: 15 max.
PH: 5.5-7.0
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Packing: 25 kg bag
Usage: Flame retardant used in Expanding fire-refractory coating, thermal plasticity polyolefin and unsaturated aromatic plastics, polyurethane foam, epoxy resin and unsaturated resin, cable and rubber, plastic material of electron device, and fiber fabric, etc.
