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Ammonium polyphosphate powder, abbreviated as APP, is a kind of nitrogen-containing phosphate, white powder.Ammonium polyphosphate CAS 68333-79-9 According to the size of its degree of polymerisation, it can be divided into three kinds: low polymerisation, medium polymerisation and high polymerisation. The larger the degree of polymerisation, the smaller the water solubility. Crystalline Ammonium polyphosphate Raw Materials are water insoluble and long chain polyphosphates.
Applications / Functions of Ammonium polyphosphate powder
Physicochemical Property of Ammonium polyphosphate powder
Ammonium polyphosphate Raw Materials can be divided into low, medium and high polymerisation according to its polymerisation degree. The larger the degree of polymerisation, the smaller the water solubility. Ammonium polyphosphate powder structure can be divided into crystalline and amorphous type. Crystalline Ammonium polyphosphate is water insoluble and long chain polyphosphate. There are five variants from I to V type.
Production methodprocess of Ammonium polyphosphate powder
Ammonium polyphosphate CAS 68333-79-9 is produced by heating and melting urea and phosphoric acid and then polymerising them in a heated bed at 220-250X.
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