Ammonium Polyphosphate

The phosphorus content of ammonium polyphosphate is as high as 60%～71%, and the nitrogen content is 10%～24%. The most prominent feature of this type of flame retardant is that the amount of smoke generated during combustion is extremely low and does not produce hydrogen halide. Because of its good thermal stability, ammonium polyphosphate can replace ammonium phosphate. 

Ammonium polyphosphate is a high-quality fertilizer that is completely dissolved, has good compatibility, does not easily react with metal ions in the soil, can chelate trace elements, and enhance the activity of fertilizers. It is not only the main variety of liquid fertilizers, but also liquid fertilizers. Important basic raw materials. At present, ammonium polyphosphate has been widely used in agricultural developed countries. Today, when my country is vigorously promoting the integration of water and fertilizer, ammonium polyphosphate products will help the country fight the three tough battles of water saving, fertilizer saving and medicine saving. Extensive promotion and application will lead the second revolution in application of the fertilizer industry!

The commonly used crystalline APP is water-insoluble long-chain ammonium polyphosphate. APP has large phosphorus content and high nitrogen content. The phosphorus-nitrogen system produces a synergistic effect and has good flame retardancy. The relative density is small, the dispersion is good, the chemical stability is good, the smoke is suppressed, the toxicity is low.