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Diammonium Phosphate<br>(DAP)

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Diammonium Phosphate<br>(DAP)

Molecular formula: NH₄H₂PO₄ CAS NO.: 7783-53-0

Molecular formula: NH₄H₂PO₄

CAS NO.: 7783-53-0

Executive standard: HG/T 4132-2010 (general industrial grade use)

                                HG/T5743-2020 (battery grade use)

Package:

25kg plastic woven bag, PE bag

500kg/1000kg BB

Usage:

Flame retardant directly added to fabric, wood and paper; usually adopts foaming and spraying process. When wood, paper and textiles are heated, the diammonium hydrogen phosphate reaches the decomposition temperature to form polyphosphoric acid. A protective film is formed on the surface of the flame retardant to block the air. At the same time, the polyphosphoric acid promotes the decomposition and carbonization of the fiber and produces moisture to make it flame retardant. The carbonization of the surface of the object is more rapid and thorough, which inhibits the generation of combustible gas, thereby playing a flame retardant effect.

New energy batteries; provide phosphate for the preparation of precursors for lithium iron phosphate battery cathode materials

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库存:
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Specifications

Parameters

Unit

Technical

Battery use

Flame use

Appearance

/

White crystal

Main content

%

99.0

99.0

99.0

Total nitrogen       

%

20.8

/

20.8

Phosphorus Pentoxide

%

53.2

/

53.2

pH

10G/L

7.6-8.2

7.6-8.2

7.6-8.2

Moisture 

%

0.1

0.2

0.1

Heavy metalsas Pb

%

0.001

/

0.001

Arsenic 

%

0.0003

0.0003

0.0003

Fluoride

%

0.005

0.0015

0.005

Water insoluble

%

0.1

/

0.1

Sulphate      

%

0.01

0.005

0.01

Calcium

%

/

0.002

/

Magnesium

%

/

0.001

/

Iron

%

0.003

0.003

0.003

Aluminum

%

/

0.001

/

Sodium

%

/

0.005

/

Potassium              

%

/

0.005

/

Nickel

%

/

0.001

/

Manganese

%

/

0.0005

/

Titanium

%

/

0.001

/

Chrome

%

/

0.0015

/

Cobalt

%

/

0.001

/

Cadmium

%

/

0.0005

/

Lead

%

0.0004

0.0005

0.0004

Zinc

%

/

0.001

/

Copper

%

/

0.001

/

Chloride

%

0.001

0.005

0.001

Turbidity/NTU               

%

/

3.0

/

Whiteness

%

/

/

92.0

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