UREA
CAS No.:57-13-6
Agriculture Fertilizer grade Urea:
Urea.CO(HN2)2. also known as carbamide, is an important nitrogen fertilizer with high quality and high efficiency. Apart from its major use as a fertilizer, urea is also employed in the manufacture of paints glues. plastics paper texties. feed and weed control chemicals as well as a source of non- protein nitrogen.
Automotive-grade urea
also known as diesel exhaust fluid (DEF) or AdBlue, is a solution
used in selective catalytic reduction (SCR) systems in diesel engines. It is designed to reduce harmful nitrogen oxide (NOx) emissions from diesel vehicles.
Automotive-grade urea is a highly purified solution of urea dissolved in demineralized water. It is non-toxic, non-flammable, and safe to handle. The urea solution is injected into the vehicle's exhaust system, where it undergoes a chemical reaction with the hot exhaust gases.
Inside the SCR catalyst, the urea solution breaks down into ammonia (NH3) and carbon dioxide (CO2). The ammonia reacts with the NOx emissions, converting them into nitrogen (N2) and water vapor (H2O), which are harmless components of the air we breathe.
| Items |
Specification |
Results |
| Color |
White |
White |
| Form |
Solid |
Solid |
| N(as dry basis), Content |
46% minimum; |
46.6% |
| Biuret |
0.9%maximum |
0.68% |
| Free Moisture |
0.5% maximum |
0.09% |
| Methylenediurea |
0.6% maximum |
0.35% |
| Lead |
20mg/kg maximum |
1.2mg/kg |
| Arsenic |
2mg/kg maximum |
0.2mg/kg |
| Size φ2.0~4.75mm |
90% |
93% |
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