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Urea Prill and granular
1. Total nitrogen: 46%min
2. Biuret: 1.0%max
3. Moisture: 0.5%max

Item	Industrial grade			Agricultural grade
	Top grade	First grade	Qualified product	Top grade	First grade	Qualified product
Color	white			white or light color
N( as dry)%≥	46.3	46.3	46.3	46.3	46.3	46.0
Biuret %≤	0.5	0.9	1.0	0.9	1.0	1.5
H2O %≤	0.3	0.5	0.7	0.5	0.5	1.0
Fe( as NH3)%≤	0.0005	0.0005	0.0010
Alkalinity( as NH3)%≤	0.01	0.02	0.03
Sulfate( as SO4 2)%≤	0.005	0.010	0.020
Water insoluble matter %≤	0.005	0.010	0.040
Granularity(φ 0.85-2.80mm)%≥	90	90	90	90	90	90