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Diammonium Phosphate , DAP 21-53-0, Industrial Grade

Executive Standard:HG-T4132-2010
Chemical Formula : NH4H2PO4
CAS NO.: 7783-28-0
HS Code: 310510090



NO.ItemsStandardInternal Standards
1AppearanceWhite CrystalWhite Crystal
2Main Content(NH4H2PO4)% ≥98.099.0
3Phosphorus Pentoxide(P2O5)% ≥51.853.0
4Nitrogen (N)  %≥20.021.0
5PH(1% Water Solution)7.8-8.27.8-8.2
6Arsenic (As)  %≤0.01<0.005
7Heavy metal ( Pb )  %≤0.005<0.005
8Chloride (Cl- )% ≤0.002<0.0005
9Fluoride  (F) %≤0.005<0.0005
10Sulphate ( SO4)  %≤0.005<0.001
11Water insoluble  %≤0.10.1
12Moisture  %≤0.20.2


 

Application Field :

Diammonium Phosphate is used in wood, paper and fabric as waterproof agent, as fire retardant paint additive, dry powder extinguishing agent, new energy lithium battery, etc.

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