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Urea

Description

UREA H2N-CO-NH2

Urea is intended for use in industry as a raw material for the manufacture of adhesives, resins, etc., in agriculture, including personal subsidiary plots and farms as a mineral nitrogen fertilizer, and in animal husbandry as a feed additive. Depending on the purpose, Urea is produced in two grades (“A” and “B”).

 

UREA brand “A” is used for industry

Name of indicator Top grade 1st grade
Mass fraction of nitrogen in terms of dry matter,%, at least 46,3 46,2
Mass fraction of biuret, %, no more 0,6 1,4
Mass fraction of free ammonia, %, no more, for urea:

– crystalline

– granulated

  

0,1

0,2

  

0,1

0,3
Mass fraction of water, %, not more than:

– hygroscopic

– general

  

0,3

0,6

  

0,3

0,6

 

Grade “B” urea for crop production, animal husbandry and retail trade

Name of indicator Top grade 1st grade 2nd grade
Mass fraction of nitrogen in terms of dry matter, %, not less 46,2 46,2 46,2
Mass fraction of biuret, %, no more 1,4 1,4 1,4
Mass fraction of water, %, not more than:

– hygroscopic;

– general;

  

0,3

0,5

  

0,3

0,4

  

0,3

0,6
Friability, % 100 100 100
Granulometric composition, %: mass

fraction of granules size, mm

– from 1 to 4, not less

– from 2 to 4, not less

– less than 1, no more

– sieve residue 6 mm

  

 

94

70

3

Missing

  

 

94

50

5

Missing

  

 

94

–

5

Missing

 

Safety requirements: under normal conditions, Urea is non-flammable, fire- and explosion-proof. According to the degree of impact on the human body, Urea is classified as a moderately hazardous substance of the 3rd hazard class.

The product will be packed in polypropylene bags of 25, 40 and 50±1 kg. The product must be stored in closed, well-ventilated warehouses that protect the product from precipitation.

Transported in bulk and packed, by all means of transport in accordance with the rules for the carriage of goods in force for this type of transport.

Guaranteed shelf life: 6 months from the date of manufacture. Guaranteed shelf life of urea intended for retail sale is 2 years from the date of manufacture.