
In response to the policy call, our production processes of CAS No. 1163-1905, Polymerization initiators, Aluminium Hydroxide all reflect the awareness of energy conservation and environmental protection, and the use of resources is reducing. Leading the trend of this field is our persistent goal. With skilled staff, our products are endowed with excellent quality and won a place in the fierce competition. Distribution density strategy is very important to our company, because it will affect our market coverage, market share and sales volume.
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.


We emphasize advancement and introduce new products into the market each year for Water Treatment Chemical Ammonium Polyphosphate. We can provide the products you want. Our company has achieved good results in the industry with its leading technology, perfect product functions and thoughtful after-sales service.