Urea Automotive Grade
Urea, applies to its liquid forms of AdBlue, AUS 32 or some other
concentration, solid forms with low biuret and formaldehyde.
| Appearance | Solid, crystalline prills (granules) white/slightly colored |
| Nitrogen on dry basis, min | 46.3% |
| Biuret, max. | 0.6% |
| Moisture content: -Drying method, max -Fisher method, max | 0.3 % |
| Alkalinity as NH3, max | 0.02% |
| Aldehydes, max | 5 mg/kg |
| Insoluble, max | 60 mg/kg |
| Phosphate (PO4), max | 1.5 mg/kg |
| Aluminum (AI), max Calcium (Ca), max Chromium (Cr), max Copper (Cu), max Iron (Fe), max Potassium (K), max Magnesium (Mg), max Sodium (Na), max Nickel (Ni), max Zinc (Zn), max | 1.5 1.5 0.6 0.6 1.5 1.5 1.5 1.5 0.6 0.6 |