Ammonium polyphosphate for fire prevention

2022/11/24 15:03

Ammonium polyphosphate, is a mixture of ammonium orthophosphate and a variety of ammonium polyphosphate, containing ammonium polyphosphate mainly ammonium pyrophosphate and ammonium tripolyphosphate, ammonium tetrapolyphosphate, with only a small amount of longer chain ammonium polyphosphate present. Easily soluble in water, solubility is greater than that of ammonium orthophosphate, can also chelate metal cations, so that they are retained in solution.

Ammonium polyphosphate for fire prevention

Ammonium polyphosphate is used as an ingredient in various fertilizers, but also as an important chemical for fighting forest and mountain fires, as well as a fire impregnating agent for wood. Ammonium polyphosphate solution containing 11% nitrogen and 37% phosphorus pentoxide made from hot superphosphate can be used as an essential chemical for fighting forest and mountain fires, and as a fire impregnating agent for construction timber. Made of wet phosphoric acid containing 10% nitrogen, phosphorus pentoxide 34% of the basic solution of ammonium polyphosphate can be used as the preparation of a variety of specifications of liquid compound fertilizer raw materials.