
While using the 'Client-Oriented' organization philosophy, a rigorous top quality command process, highly developed production devices and a potent R&D workforce, we normally provide high quality products, outstanding solutions and aggressive charges for DTBP, BPO, TCEP. Our company realizes the inventory network sales, so the supply and stocking time is further shortened. The products we provide are developed and produced according to customers' needs to ensure the best safety, reliability and durability.
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 always adhere to science and technology as the guide, relying on continuous technological transformation and technological innovation to steadily improve the quality of Ammonium Polyphosphate Phase II(Higher whiteness, CS FR APP 231H). We vigorously promote technological innovation, strictly control product quality, adhere to the business philosophy of customer-oriented, and strive to increase market share while being at the forefront of the industry. We have established long-term and stable cooperative relationships with many regional wholesalers and hundreds of end customers.