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Chemical name: | Ammonium Polyphosphate |
Synonyms: | APP |
CAS No. : | 68333-79-9 |
Formula: | (NH4PO3)n |
CHARACTERISTICS:
APP with high polymerization has low solubility in water, it can be applied to the products with high humidity/water.
It contain high phosphorus,also it has high chemical stability.
It can be used in solvent/water based intumescent coatings. And is used as flame retardant in flexible and rigid urethane foams,unsaturated polyesters,epoxies,acrylics and polyurethanes.
SPECIFICATION:
Appearance | White free-flowing powder |
pH value of 10% suspension, 25 ℃ | 5.5 - 7.0 |
Acid number, mgKOH/g | ≤ 1.0 |
Solubility in Water@25 ℃, g/100ml | ≤ 0.5 |
Nitrogen % | 14.0-15.0 |
Phosphorus (as P) % | 31.0-32.0 |
Density g/cm3 | approx. 1.9 |
Bulk density g/cm3 | approx. 0.7 |
Viscosity of 10% suspension @25 ℃,mPa.s | ≤ 100 |
Degree of polymerization | > 1000 |
Average Particle Size (D50) µm | approx. 15 |
Marks:Meantime we also provide many types APP with different specifcations.
PACKING & STORAGE:
Packed in 25 kg net bags or big bags
Store in ventilated, dry place, avoid direct sunlight.
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