DNIPROAZOT

Chemicals for agro-complex

CARBAMIDE (UREA)

DSTU 7312:2013

Chemical formula CO(NH₂)₂

Main properties and field of usage

Carbamide is used in industry as a raw material for manufacturing of resins, glues, in agriculture as a mineral nitric fertilizer and in cattle-breeding as a fodder additive.

PHYSICAL AND CHEMICAL INDICES

	Grade B
	extra	1st rate	2nd chop
Fraction of total nitrogen mass in recalculation to dry substance, %, not less	46,2	46,2	46,2
Fraction of total biuret mass, %, not more	1,0	1,0	1,0
Fraction of total water mass, %, not more: - method of drying - Fischer method	0,3 0,5	0,3 0,5	0,3 0,6
Friability, %	100	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 50 5 absent 0,5	94 - 5 absent 0,3

Notes:

Exportedcarbamide qualityrequirementsshouldmeetrequirements of acontractwith aforeignbuyer.
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 carbamide 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 carbamide for retail.
Indices for carbamide of first-rate grade A with appropriate norms are defined while shipping grade B carbamideaccording to demands of consumers in industry.

PACKAGE

Carbamide is shipped in a packed state for retail with weight not more than 3 kg and in bulk by minerals' transporters.

GUARANTEE STORAGE LIFE

6 months from a date of manufacturing, 2 years - for retail.