TECHNICAL SPECIFICATIONS
Indicator name Grade "B"
1. Mass fraction of nitrogen in terms of dry matter,%, not less than ,
2. Mass fraction of biuret,%, no more than 1,4
3. Mass fraction of free ammonia,%, no more, for urea
crystalline
prilled
4. Mass fraction of water,%, no more:
drying method 0.3Fisher's method 0.5
5. Looseness,% 100
6. Granulometric composition,%:
â?? mass fraction of granules in size, mm:
from 1 to 4, not less than 94 94
from 2 to 4, not less than 70 70
less than 1, not less than 3 3
sieve residue 6 mm, no more Absence
7. Static strength of granules, kgf / granule, not less than 0.7