Urea 46 Granular
CHEMICAL INDUSTRY Urea is a raw material for the manufacture of two main classes of materials:urea-formaldehyde resins and urea-melamine-formaldehyde used in marine plywood. AGRICULTURE More than 9O% of world industrial production of urea is destined for use as a nitrogen-release fertilizer. Urea has the highest nitrogen con-tent of all solid nitrogenous fertilizers in common use. Therefore, it has the lowest transportation costs per unit of nitrogen nutrient.
Description
| Urea Specification | ||
| Item | Standard | result |
| Appearance | prills | authorized |
| moisture /% | 0.5 | authorized |
| Biuret /% | 0.85 | authorized |
| Alkalinity(NH3)% | 0.5 | authorized |
| insoluble residue (mg/kg) | 40 | authorized |
| Methylene dioxin （HCHO）（mg/kg） | 10 | authorized |
| Nitrogen /% | authorized | |
| phosphaten（PO43）/（mg/kg） | 1.0 | authorized |
| Size:(0.85-2.80)mm/% | 90 | authorized |
| Ca（mg/kg） | 1.0 | authorized |
| Fe（mg/kg） | 1.0 | authorized |
| Cu（mg/kg） | 0.4 | authorized |
| Zn（mg/kg） | 0.4 | authorized |
| Cr（mg/kg） | 0.4 | authorized |
| Ni（mg/kg） | 0.4 | authorized |
| AI（mg/kg） | 1.0 | authorized |
| Mg（mg/kg） | 1.0 | authorized |
| Na（mg/kg） | 1.0 | authorized |
| K（mg/kg） | 1.0 | authorized |