
It has a complete product production and quality assurance system and perfect after-sales service. Under the guidance of full-time engineers, it strictly controls the process and production to ensure the quality of Melamine Polyphosphate(MPP), TCEP, Rubber/resin Valcanization agent. We believe quality products and professional services are the link that connects us with customers. After years of development, our enterprise has been growing, now the enterprise has accumulated a large number of customer resources and has won the unanimous praise of customers with high quality, reasonable price and good reputation.
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 take 'continuous progress and strive for the best' as our business tenet, and work hard to provide customers with first-class Flame Retardant APP for Fireproof Coating and services. Our corporate vision is to be a leading global enterprise and to be a world brand for a hundred years. The company actively introduces advanced production equipment abroad, absorbs and improves advanced production technology.