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The chemical name of the urea calls two amine of carbon acyl. Molecular formula: CO (NH2 ) 2, the molecular weight is 60.06, nitrogen content is 46.65%, it is the highest solid nitrogen of nitrogen content. It is usually white and granular; It is difficult to lump, mobility is good, easy to use.

The product standards are preformed according to the national standards for carbamide fertilizer (GB24402001).

Items

Application to Industry

Application to Agriculture

The top

First grade

Qualified

The top

First grade

Qualified

Total Nitrogen%(Dry)

46.5

46.3

46.3

46.4

46.2

46.0

Draw back two urea     

0.5

0.9

1.0

0.9

1.0

1.5

Moisture ( H 2 O )      

0.3

0.5

0.7

0.4

0.5

1.0

Fe       

0.0005

0.0005

0.0010

 

 

 

NH 3     

0.01

0.02

0.03

 

 

 

SO 4 2  

0.005

0.010

0.020

 

 

 

Water insoluble matter        

0.005

0.010

0.040

 

 

 

HCHO

 

 

 

0.6

0.6

0.6

Grain

Size

0.85mm -2.80mm

1.18mm -3.35mm

2.00mm -4.75mm

4.00mm -8.00mm

90

90

90

93

90

90

Notes : 1, If no formaldehyde to be added in the urea production, not need to make the survey of the content of two urea of inferior methyl .

2, The grain size only needs to accord with one of four items but the packing identifications should be indicated.