Polyphosphate press, also known as ammonium polyphosphate, is a mixture of ammonium orthophosphate and a variety of ammonium polyphosphate, containing ammonium polyphosphate is mainly ammonium pyrophosphate and ammonium tripolyphosphate, ammonium tetraphosphate, longer chain only a small amount of ammonium polyphosphate.Soluble in water, solubility is greater than ammonium orthophosphate, can also chelate metal cation, so that it remains in solution.
Specification
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Ammonium Polyphosphate(APP)
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|
Appearance
|
White Powder or Cystal
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|
Type
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APP1
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APP11
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Total Nitrogen %≥
|
14
|
14
|
P2O5%≥
|
69
|
71
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Average Polymerization(n)%≥
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50
|
1000
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PH (1% water solution )
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5.0-7.0
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5.5-7.5
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Particle Size(pass 45um) %≥
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90
|
–
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Water Solubility %≤
|
|
0.5
|
Moisture%≤
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–
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0.25
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Density(g/ml)
|
|
0.5-0.7
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