| Nitrogen | 46% min |
| Biuret | 1.0% max |
| Particle size | 2.00-4.75mm 90%min |
| Moisture | 0.5% max |
| Appearance | green, yellow, free flowing,free from harmful substances |
Urea is a raw material forthe manufacture of twomain classes of materials:urea-formaldehyde resins
and urea-melamine-formaldehyde used in marineplywood.
More than 9O% of world industrial production of urea is destined for useas a nitrogen-release fertilizer.
Urea has the highest nitrogen con-tent of all solid nitrogenous fertilizersin common use.
Therefore, it has the lowest transpor-tation costs per unit of nitrogen nutri-ent.
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