Description
Applications of Automotive-Grade Urea
This urea is primarily used as a DEF to reduce NOx emissions in vehicles and other equipment powered by diesel engines. Its applications extend to construction and agricultural machinery such as tractors, harvesters, bulldozers, and irrigation systems.
Specifications of Automotive-Grade Urea
The product adheres to the following specifications:
| Specification | Requirement |
|---|---|
| Purity | ≥ 99.5% |
| Biuret Content | ≤ 0.6% |
| Water Content | ≤ 0.5% |
| Ammonium Nitrate Content | ≤ 0.1% |
| Formaldehyde Content | ≤ 25 ppm |
| Iron Content | ≤ 5 ppm |
| Copper Content | ≤ 1 ppm |
| Aluminum Content | ≤ 1 ppm |
| Calcium Content | ≤ 20 ppm |
| Magnesium Content | ≤ 5 ppm |
| Chlorides Content | ≤ 20 ppm |
| Acidity/Alkalinity | ± 0.1% N |
| Density | 1.090–1.100 g/cm³ at 20°C |
| Freezing Point | ≥ -10°C |
Note: Specifications may vary based on local regulations or manufacturer recommendations.
FAQs
- What is DEF-grade urea?
DEF-grade urea contains 46% nitrogen, is non-toxic, and maintains a balanced pH when dissolved in water. - What is ultra-pure automotive-grade urea?
Ultra-pure urea is a high-quality product made using natural gas, characterized by low biuret and aldehyde content. - Is automotive-grade urea toxic?
No, it is non-toxic, colorless, and highly water-soluble.
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