UREA
Grade B GOST 2081-92
Chemical formula CO(NH2)2
Origin: Ukraine, China
Package:
1. in bulk
2. in plastic (polypropylene) welded packs of 50 ± 1 kg
PHYSICAL AND CHEMICAL INDICES
|
|
extra
|
analyze
|
|
Fraction of total nitrogen mass in recalculation to dry substance, %, not less
|
46,2
|
46,4
|
|
Fraction of total biuret mass, %, not more
|
1,4
|
0,9
|
|
Fraction of total water mass, %, not more:
- method of drying
- Fischer method
|
0,03
0,5
|
-
0,3
|
|
Friability, %
|
100
|
100
|
|
Granulometric composition, %:
Fraction of total granules' mass, of size, mm:
- from 1 to 4, not less
- from 2 to 4, not less
- less than 1, not more
Retained on a 6 mm sieve, not more
Static strength of granules, kgf/granules, not less
|
94
70
3
absent
0,7
|
94
-
5
absent
0,3
|
urea formaldehyde resin – 0,28% using to prevent caking
Notes: Export Urea quality requirements should meet requirements of a contract with a foreign buyer.
Fraction of total nitrogen mass in recalculation to dry substance with norm not less than 46,0%, fraction of total biuretmass with norm not more than 3%, fraction of total free ammonia with norm not more than 0,03%, fraction of total water mass with norm not more than 0,3% (using drying method) are defined in Urea for cattle-breeding.
Fraction of total nitrogen mass in recalculation to dry substance with norm not less than 46,2%, fraction of total biuretmass with norm not more than 1,5%, fraction of total water mass with norm not more than 0,3% (using drying method) are defined in Urea for retail.
Storage guarantee term: 2 years.